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Provide an appropriate response. 447) Describe the elements of a 3

Provide an appropriate response. 447) Describe the elements of a 3 × 3 zero matrix. A) Every element of the matrix is zero. B) The matrix has ones on the main diagonal, and all other elements are zeros. C) The matrix has zeros on the main diagonal, and there are no restrictions on the.

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Provide an appropriate response. 447) Describe the elements of a 3

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Find the partial fraction decomposition for the rational expression. 248) A)

Find the partial fraction decomposition for the rational expression. 248) A) B) C) D) 249) A) B) C) D) 250) A) B) C) D) 251) A) B) C) D) 252) A) B) C) D) .

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Find the partial fraction decomposition for the rational expression. 248) A)

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Find the matrix product when possible. 428) A) B) [54] C) [-10

Find the matrix product when possible. 428) A) B) [54] C) [-10 0 -18] D) [-28] 429) A) B) [-64 58] C) D) 430) A) B) C) D) 431) A) B) C) D) 432) A) B) C) D) .

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Find the matrix product when possible. 428) A) B) [54] C) [-10

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Graph the solution set of the system of inequalities. 345) 2x

Graph the solution set of the system of inequalities. 345) 2x + 3y ? 6 x - y ? 3 y ? 2 346) y - x ? 5 x + y ? 3 y - 3x ? -1 347) y ? -x2- 6x - 4 y ? x2+ 6x + 4 348) y ? - x2- 6x -.

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Graph the solution set of the system of inequalities. 345) 2x

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Graph the inequality. 320) y ? 3x - x2 321) (x -

Graph the inequality. 320) y ? 3x - x2 321) (x - 4)2 + (y + 3) 2 ? 16 322) x2+ (y + 3)2 ? 16 323) y ? -6x2- 3 324) y ? 3(x2- 1) – 1 .

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Graph the inequality. 320) y ? 3x - x2 321) (x -

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Find the matrix product when possible. 423) A) B) C) D)

Find the matrix product when possible. 423) A) B) C) D) 424) A) B) C) D) 425) A) B) C) D) 426) A) B) C) D) They cannot be multiplied. 427) A) They cannot be multiplied. B) C) D) .

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Find the matrix product when possible. 423) A) B) C) D)

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Find the dimension of the matrix. 399) A) 3 × 2 B)

Find the dimension of the matrix. 399) A) 3 × 2 B) 2 × 3 C) 6 D) 4, 9, -3, 1, 8, -8 400) [2 -7 -4] A) 3 × 1 B) 3 C) 2, -7, -4 D) 1 × 3 401) A) 2 × 2 B) 4 C) 7 × 7 D) 7 402) A) 9 B) 8 C) 3 × 0 D) 3 ×.

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Find the dimension of the matrix. 399) A) 3 × 2 B)

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Find the values of the variables for which the statement

Find the values of the variables for which the statement is true, if possible. 389) A) x = 5; y = 5; z = 3 B) x = -3; y = -5; z = -5 C) x = 3; y = 5; z = 5 D) x = -3; y = 5; z =.

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Find the values of the variables for which the statement

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Solve each problem. 437) Momma?s ice cream shop sells three types

Solve each problem. 437) Momma?s ice cream shop sells three types of ice cream: soft-serve, chunky, and nonfat. Location I sells 27 gal of soft-serve, 100 gal of chunky, and 30 gal of nonfat ice cream each day. Location II sells 15 gal of soft-serve and Location III sells 60 gal.

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Solve each problem. 437) Momma?s ice cream shop sells three types

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Solve the problem. 433) Given , find A2. A) B) C) D)

Solve the problem. 433) Given , find A2. A) B) C) D) 434) Given , find A3. A) B) C) D) 435) Given and , find AB and BA. A) B) C) D) 436) Given , find AB and BA. A) B) C) D) .

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Solve the problem. 433) Given , find A2. A) B) C) D)

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SHORT ANSWER. Write the word or phrase that best completes

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Which method should be used to solve the system? Explain your answer, including a description of the first step. 302) x2+ y2= 100 x + 5y = 2 303) x2- y2= 16 4x + y = -8 304) x2- 5y2=.

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SHORT ANSWER. Write the word or phrase that best completes

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Graph the solution set of the system of inequalities. 340) 3x

Graph the solution set of the system of inequalities. 340) 3x - 2y ? 6 x - 1 ? 0 341) 3x - 2y ? -6 x - 1 < 0 342) x + 2y ? 2 x + y ? 0 343) x - 2y ? 2 x + y ? 0 344) x + 2y ? 2 x.

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Graph the solution set of the system of inequalities. 340) 3x

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A nonlinear system given, along with the graphs of both

A nonlinear system is given, along with the graphs of both equations in the system. Determine if the points of intersection specified on the graph are solutions of the system by substituting directly into both equations. 258) x2= y - 1 y = 2x + 16 A) Yes B) No 259) x2+ y2= 25 2y +.

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A nonlinear system given, along with the graphs of both

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Give all solutions of the nonlinear system of equations, including

Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 263) x2+ y2= 1 x + y = 1 A) {(1, 0), (0, -1)} B) {(1, 0), (0, 1)} C) {(-1, 0), (0, 1)} D) {(-1, 0), (0, -1)} 264) x2+ y2= 25 x - y = 1 A) {(-4, -3), (-3, -4)} B) {(4,.

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Give all solutions of the nonlinear system of equations, including

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Determine the system of inequalities illustrated in the graph. Write

Determine the system of inequalities illustrated in the graph. Write inequalities in standard form. 370) A) x2+ y2? 16 y ? 0 B) x2+ y2? 16 x ? 0 C) x2+ y2? 16 x ? 0 D) x2+ y2? 16 x ? 0 371) A) x ? -2 x2+ y ? 4 B) y ? -2 x2+ y ? 4 C) y ? -2 x2+ y.

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Determine the system of inequalities illustrated in the graph. Write

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Find the indicated matrix. 413) Let . Find 3A. A) B) C)

Find the indicated matrix. 413) Let . Find 3A. A) B) C) D) 414) Let B = [-1 6 6 -3]. Find -4B. A) [-3 4 4 -5] B) [4 6 6 -3] C) [4 -24 -24 12] D) [-4 24 24 -12] 415) Let . Find ½ C. A) B) C) D) 416) Let and ..

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Find the indicated matrix. 413) Let . Find 3A. A) B) C)

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Solve each problem. 442) Le Boulangerie, a bakery, sells four main

Solve each problem. 442) Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Suppose a day?s orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50.

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Solve each problem. 442) Le Boulangerie, a bakery, sells four main

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Graph the inequality. 315) x - y < -2 316) x ?

Graph the inequality. 315) x - y < -2 316) x ? -4 317) x ? 6 318) y ? -1 319) y ? -2 .

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Graph the inequality. 315) x - y < -2 316) x ?

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Solve the system by elimination. 21) A) B) ? C) D) Solve

Solve the system by elimination. 21) A) B) ? C) D) Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary. 22) 8x - 10y = 1 -16x + 20y =1 A) ? B) C) D) 23) 2x + 8y = 7 4x + 16y = 5 A) B) C) {(0,.

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Solve the system by elimination. 21) A) B) ? C) D) Solve

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Determine the inequality which matches the calculator graph. Do not

Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities. 330) A) y ? 2x - 3 B) y ? -2x - 3 C) y ? 2x - 3 D) y ? -2x - 3 331) A) y ? 3x - 2 B).

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Determine the inequality which matches the calculator graph. Do not

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Find the indicated matrix. 418) Let A = [-4 2] and

Find the indicated matrix. 418) Let A = [-4 2] and B = [1 0]. Find 3A + 4B. A) [-7 4] B) [-12 4] C) [-8 6] D) [-1 2] The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product.

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Find the indicated matrix. 418) Let A = [-4 2] and

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Which method should be used to solve the system? Explain

Which method should be used to solve the system? Explain your answer, including a description of the first step. 305) x2+ y2= 25 -10x - 4y = -7 306) -3x2+ 10y2= 4 x - 5y = 1 307) -7x2+ y2= 64 -5x2+ 4y2= 100 .

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Which method should be used to solve the system? Explain

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Graph the solution set of the system of inequalities. 355) 356)

Graph the solution set of the system of inequalities. 355) 356) y ? 3x y ? 8 A) B) C) D) 357) 358) ?x? ? 5 y ? 3 y ? x2- 3 359) .

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Graph the solution set of the system of inequalities. 355) 356)

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Give all solutions of the nonlinear system of equations, including

Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 268) x2+ y2= 36 x2- y2= 36 A) {(6, 0)} B) {(0, -6)} C) {(6, 0), (-6, 0)} D) {(0, 6), (0, -6)} 269) x2- 3y2= 1 4x2+ 3y2= 19 A) {(2, 1), (-2, -1)} B) {(-1, 2), (1, -2)} C) {(2, 1), (2, -1), (-2,.

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Give all solutions of the nonlinear system of equations, including

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Solve the problem. 297) The sum of the squares of the

Solve the problem. 297) The sum of the squares of the digits of a positive two -digit number is 13, and the units digit is 1 more than the tens digit. Find the number. A) 32 B) 43 C) 34 D) 23 298) A rectangular plot has area 126 yd2 with a perimeter of 46 yd..

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Solve the problem. 297) The sum of the squares of the

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Give all solutions of the nonlinear system of equations, including

Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 273) y = x2- 8x + 16 x + y = 4 A) {(-3, 7), (-4, 8)} B) {(3, 7), (4, 0)} C) {(3, 1), (4, 0)} D) {(4, 0)} 274) 2x2- 3y2= 38 3x2+ 5y2= 95 A) {(5, 2), (2, 5), (-5, -2),.

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Give all solutions of the nonlinear system of equations, including

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Use a graphing calculator to solve the nonlinear system. Give

Use a graphing calculator to solve the nonlinear system. Give x - and y-coordinates to the nearest hundredth. 283) y = log(x +7) y = x3 A) {(-1.83, 1.64), (1.68, 2.16)} B) {(-2.50, 1.49)} C) {(2.07, 0.69)} D) {(0.97, 0.90)} 284) y = e2x+3 2x + y = 3 A) {(0.75, -4.50)} B) {(-0.75, 4.50)} C) {(-0.75, -4.50)} D) {(0.75, 4.50)} 285) x2+.

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Use a graphing calculator to solve the nonlinear system. Give

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Use a graphing calculator to solve the nonlinear system. Give

Use a graphing calculator to solve the nonlinear system. Give x - and y-coordinates to the nearest hundredth. 288) y = log(x +8) y = x2 A) {(-0.92, 0.85), (0.98, 0.95)} B) {(-1.38, 1.89), (1.50, 2.25)} C) {(-0.92, -0.85), (0.98, -0.95)} D) {(-1.38, -1.89), (1.50, -2.25)} 289) x2- y2= 7.82 x = 2y - 5 A) {(-2.97, 1.01), (6.31,.

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Use a graphing calculator to solve the nonlinear system. Give

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Graph the solution set of the system of inequalities. 350) 351)

Graph the solution set of the system of inequalities. 350) 351) 352) 353) x ? 0 y ? 0 x2+ y2 ? 9 y + x ? -5 354) y ? -x2 y ? x + 1 y ? -5 x ? -4 .

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Graph the solution set of the system of inequalities. 350) 351)

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Determine the inequality which matches the calculator graph. Do not

Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities. 335) A) y ? -2 B) x ? -2 C) x ? -2 D) y ? -2 336) A) x ? 2 B) x ? 2 C) y ? 2 D) y ? 2 Graph.

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Determine the inequality which matches the calculator graph. Do not

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Solve the system. If the system has infinitely many solutions,

Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary. 26) 2x - y - 3 = 0 -4x +2y + 6 = 0 A) {(x, 4x - 3)} B) {(x, 3 - 2x)} C) ? D) {(x, 2x - 3)} Solve the system. 27) A) {(-9, 6)} B) {(6, -9)} C) {(7,.

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Solve the system. If the system has infinitely many solutions,

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Perform the operation or operations when possible. 404) A) B) C)

Perform the operation or operations when possible. 404) A) B) C) D) 405) A) B) C) D) 406) A) They cannot be added. B) C) D) 407) A) B) C) D) 408) A) B) C) D) .

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Perform the operation or operations when possible. 404) A) B) C)

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Find the values of the variables for which the statement

Find the values of the variables for which the statement is true, if possible. 394) A) m = 7; n = 7; x = 2 B) m = 3; n = 11; x = 0 C) m = -11; n = -3; x = -2 D) m = 11; n = 3; x =.

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Find the values of the variables for which the statement

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Use a graphing calculator to solve the system. Express solutions

Use a graphing calculator to solve the system. Express solutions with approximations to the nearest thousandth. 36) 1.2x + ?7y = -8 -4.5x - ?5y = 10 A) {(0.584, -3.290)} B) ? C) {(-0.929, -2.602)} D) {(4.808, -5.205)} Solve the system. 37) x + y + z = -4 x - y + 4z = 21 2x + y +.

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Use a graphing calculator to solve the system. Express solutions

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Solve the problem. 292) Find the dimensions of a rectangular enclosure

Solve the problem. 292) Find the dimensions of a rectangular enclosure with perimeter 40 yd and area 91 yd2. A) 13 yd by 7 yd B) 14 yd by 6 yd C) 16 yd by 7 yd D) 15 yd by 6 yd 293) The sum of the squares of the digits of a positive two.

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Solve the problem. 292) Find the dimensions of a rectangular enclosure

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Provide an appropriate response. 384) You graphing 2x2+ 3y2> 5. You

Provide an appropriate response. 384) You are graphing 2x2+ 3y2> 5. You have drawn the graph of 2x2+ 3y2= 5. What single point will allow you to determine the correct region? A) (3, 5) B) The origin C) (2, 3) D) (2, 385) Which one of the following is a description of the graph of the.

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Provide an appropriate response. 384) You graphing 2x2+ 3y2> 5. You

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MULTIPLE CHOICE. Choose the one alternative that best completes the

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 451) Which of the following properties do not hold for matrix multiplication? (i) Associative property (ii) Commutative property (iii) Distributive property (iv) Zero-factor property (If the product of two matrices is a zero matrix, then one of the factors must.

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MULTIPLE CHOICE. Choose the one alternative that best completes the

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Which method should be used to solve the system? Explain

Which method should be used to solve the system? Explain your answer, including a description of the first step. 308) -2x2+ 5y2= 4 -2x - 2y = -1 309) 7x2+ 8y2= 4 -2x2+ 7y2= 49 .

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Which method should be used to solve the system? Explain

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Determine the system of inequalities illustrated in the graph. Write

Determine the system of inequalities illustrated in the graph. Write inequalities in standard form. 365) A) x - y < 4 x + y > 7 B) x - y < 4 x + y < 7 C) x - y > 4 x + y < 7 D) x - y > 4 x + y > 7 366) A).

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Determine the system of inequalities illustrated in the graph. Write

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Graph the inequality. 325) y ? |x + 6| 326) (x +

Graph the inequality. 325) y ? |x + 6| 326) (x + 3)2 + (y - 5) 2 ? 9 Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities. 327) A) y ? -3x + 1 B) y ? 3x +.

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Graph the inequality. 325) y ? |x + 6| 326) (x +

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Find the partial fraction decomposition for the rational expression. 243) A)

Find the partial fraction decomposition for the rational expression. 243) A) B) C) D) 244) A) B) C) D) 245) A) B) C) D) 246) A) B) C) D) 247) A) B) C) D) .

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Find the partial fraction decomposition for the rational expression. 243) A)

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Give all solutions of the nonlinear system of equations, including

Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 278) y = |x| 4x - y = -15 A) (-3, 3), - 5, 5 B) - 5, 5 C) (-3, 3), - 5, - 5 D) {(-3, 3)} 279) x2+ xy + y2= 19 x + y = 2 A) {(-3, 5)} B) {(5,.

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Give all solutions of the nonlinear system of equations, including

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Solve the system. 31) A) {(-1, 3)} B) {(1, -3)} C) D) {(3,

Solve the system. 31) A) {(-1, 3)} B) {(1, -3)} C) D) {(3, -1)} Use a graphing calculator to solve the system. Express solutions with approximations to the nearest thousandth. 32) ?2x - y = 7 100x + y = 9 A) {(0.020, 6.971)} B) {(0.157, -6.686)} C) {(0.154, -6.444)} D) {(0.158, -6.777)} 33) 9/7 x + y = 5 0.4x -.

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Solve the system. 31) A) {(-1, 3)} B) {(1, -3)} C) D) {(3,

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Solve the linear programming problem. 380) An airline with two types

Solve the linear programming problem. 380) An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 900 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and.

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Solve the linear programming problem. 380) An airline with two types

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Find the partial fraction decomposition for the rational expression. 253) A)

Find the partial fraction decomposition for the rational expression. 253) A) B) C) D) 254) A) B) C) D) 255) A) B) C) D) 256) A) B) C) D) 257) A) B) C) D) .

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Find the partial fraction decomposition for the rational expression. 253) A)

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The graph shows the region of feasible solutions. Find the

The graph shows the region of feasible solutions. Find the maximum or minimum value, as specified, of the objective function. 375) objective function = 4x + 3y; maximum A) 13 B) 100 C) 29 D) 27 376) objective function = 7x + 3y; minimum A) 36 B) 0 C) 24 D) 16 Solve the linear programming problem. 377) The Acme Class Ring.

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The graph shows the region of feasible solutions. Find the

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MULTIPLE CHOICE. Choose the one alternative that best completes the

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Graph the inequality. 310) -2x - 4y ? 8 311) 3x + 4y ? 12 312) -2x - 3y ? -6 313) x - y > -6 314) x + y < -4 .

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MULTIPLE CHOICE. Choose the one alternative that best completes the

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Perform the operation or operations when possible. 409) [-3 7 4]

Perform the operation or operations when possible. 409) [-3 7 4] - [4 3] A) [-7 4 1] B) [-7 7 1] C) [-7 4 4] D) They cannot be subtracted. 410) A) B) C) D) 411) A) B) C) D) 412) A) B) C) D) .

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Perform the operation or operations when possible. 409) [-3 7 4]

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Find the partial fraction decomposition for the rational expression. 238) A)

Find the partial fraction decomposition for the rational expression. 238) A) B) C) D) 239) A) B) C) D) 240) A) 7 B) -7 C) -3 D) 3 241) A) B) C) D) 242) A) B) C) D) .

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Find the partial fraction decomposition for the rational expression. 238) A)

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Graph the solution set of the system of inequalities. 360) y

Graph the solution set of the system of inequalities. 360) y ? log x y ? ?x - 5? Use the shading capabilities of your graphing calculator to graph the inequality or system of inequalities. 361) y ? x2- 4 362) y ? x2+ 5 363) y ? 3 y ? 2x 364) y ? |x + 6| y.

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Graph the solution set of the system of inequalities. 360) y

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Provide an appropriate response. 447) Describe the elements of a 3

Provide an appropriate response. 447) Describe the elements of a 3 × 3 zero matrix. A) Every element of the matrix is zero. B) The matrix has ones on the main diagonal, and all other elements are zeros. C) The matrix has zeros on the main diagonal, and there are no restrictions on the.

Provide an appropriate response. 447) Describe the elements of a 3

Find the partial fraction decomposition for the rational expression. 248) A)

Find the partial fraction decomposition for the rational expression. 248) A) B) C) D) 249) A) B) C) D) 250) A) B) C) D) 251) A) B) C) D) 252) A) B) C) D) .

Find the partial fraction decomposition for the rational expression. 248) A)

Find the matrix product when possible. 428) A) B) [54] C) [-10

Find the matrix product when possible. 428) A) B) [54] C) [-10 0 -18] D) [-28] 429) A) B) [-64 58] C) D) 430) A) B) C) D) 431) A) B) C) D) 432) A) B) C) D) .

Find the matrix product when possible. 428) A) B) [54] C) [-10

Graph the solution set of the system of inequalities. 345) 2x

Graph the solution set of the system of inequalities. 345) 2x + 3y ? 6 x - y ? 3 y ? 2 346) y - x ? 5 x + y ? 3 y - 3x ? -1 347) y ? -x2- 6x - 4 y ? x2+ 6x + 4 348) y ? - x2- 6x -.

Graph the solution set of the system of inequalities. 345) 2x

Graph the inequality. 320) y ? 3x - x2 321) (x -

Graph the inequality. 320) y ? 3x - x2 321) (x - 4)2 + (y + 3) 2 ? 16 322) x2+ (y + 3)2 ? 16 323) y ? -6x2- 3 324) y ? 3(x2- 1) – 1 .

Graph the inequality. 320) y ? 3x - x2 321) (x -

Find the matrix product when possible. 423) A) B) C) D)

Find the matrix product when possible. 423) A) B) C) D) 424) A) B) C) D) 425) A) B) C) D) 426) A) B) C) D) They cannot be multiplied. 427) A) They cannot be multiplied. B) C) D) .

Find the matrix product when possible. 423) A) B) C) D)

Find the dimension of the matrix. 399) A) 3 × 2 B)

Find the dimension of the matrix. 399) A) 3 × 2 B) 2 × 3 C) 6 D) 4, 9, -3, 1, 8, -8 400) [2 -7 -4] A) 3 × 1 B) 3 C) 2, -7, -4 D) 1 × 3 401) A) 2 × 2 B) 4 C) 7 × 7 D) 7 402) A) 9 B) 8 C) 3 × 0 D) 3 ×.

Find the dimension of the matrix. 399) A) 3 × 2 B)

Find the values of the variables for which the statement

Find the values of the variables for which the statement is true, if possible. 389) A) x = 5; y = 5; z = 3 B) x = -3; y = -5; z = -5 C) x = 3; y = 5; z = 5 D) x = -3; y = 5; z =.

Find the values of the variables for which the statement

Solve each problem. 437) Momma?s ice cream shop sells three types

Solve each problem. 437) Momma?s ice cream shop sells three types of ice cream: soft-serve, chunky, and nonfat. Location I sells 27 gal of soft-serve, 100 gal of chunky, and 30 gal of nonfat ice cream each day. Location II sells 15 gal of soft-serve and Location III sells 60 gal.

Solve each problem. 437) Momma?s ice cream shop sells three types

Solve the problem. 433) Given , find A2. A) B) C) D)

Solve the problem. 433) Given , find A2. A) B) C) D) 434) Given , find A3. A) B) C) D) 435) Given and , find AB and BA. A) B) C) D) 436) Given , find AB and BA. A) B) C) D) .

Solve the problem. 433) Given , find A2. A) B) C) D)

SHORT ANSWER. Write the word or phrase that best completes

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Which method should be used to solve the system? Explain your answer, including a description of the first step. 302) x2+ y2= 100 x + 5y = 2 303) x2- y2= 16 4x + y = -8 304) x2- 5y2=.

SHORT ANSWER. Write the word or phrase that best completes

Graph the solution set of the system of inequalities. 340) 3x

Graph the solution set of the system of inequalities. 340) 3x - 2y ? 6 x - 1 ? 0 341) 3x - 2y ? -6 x - 1 < 0 342) x + 2y ? 2 x + y ? 0 343) x - 2y ? 2 x + y ? 0 344) x + 2y ? 2 x.

Graph the solution set of the system of inequalities. 340) 3x

A nonlinear system given, along with the graphs of both

A nonlinear system is given, along with the graphs of both equations in the system. Determine if the points of intersection specified on the graph are solutions of the system by substituting directly into both equations. 258) x2= y - 1 y = 2x + 16 A) Yes B) No 259) x2+ y2= 25 2y +.

A nonlinear system given, along with the graphs of both

Give all solutions of the nonlinear system of equations, including

Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 263) x2+ y2= 1 x + y = 1 A) {(1, 0), (0, -1)} B) {(1, 0), (0, 1)} C) {(-1, 0), (0, 1)} D) {(-1, 0), (0, -1)} 264) x2+ y2= 25 x - y = 1 A) {(-4, -3), (-3, -4)} B) {(4,.

Give all solutions of the nonlinear system of equations, including

Determine the system of inequalities illustrated in the graph. Write

Determine the system of inequalities illustrated in the graph. Write inequalities in standard form. 370) A) x2+ y2? 16 y ? 0 B) x2+ y2? 16 x ? 0 C) x2+ y2? 16 x ? 0 D) x2+ y2? 16 x ? 0 371) A) x ? -2 x2+ y ? 4 B) y ? -2 x2+ y ? 4 C) y ? -2 x2+ y.

Determine the system of inequalities illustrated in the graph. Write

Find the indicated matrix. 413) Let . Find 3A. A) B) C)

Find the indicated matrix. 413) Let . Find 3A. A) B) C) D) 414) Let B = [-1 6 6 -3]. Find -4B. A) [-3 4 4 -5] B) [4 6 6 -3] C) [4 -24 -24 12] D) [-4 24 24 -12] 415) Let . Find ½ C. A) B) C) D) 416) Let and ..

Find the indicated matrix. 413) Let . Find 3A. A) B) C)

Solve each problem. 442) Le Boulangerie, a bakery, sells four main

Solve each problem. 442) Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Suppose a day?s orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50.

Solve each problem. 442) Le Boulangerie, a bakery, sells four main

Graph the inequality. 315) x - y < -2 316) x ?

Graph the inequality. 315) x - y < -2 316) x ? -4 317) x ? 6 318) y ? -1 319) y ? -2 .

Graph the inequality. 315) x - y < -2 316) x ?

Solve the system by elimination. 21) A) B) ? C) D) Solve

Solve the system by elimination. 21) A) B) ? C) D) Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary. 22) 8x - 10y = 1 -16x + 20y =1 A) ? B) C) D) 23) 2x + 8y = 7 4x + 16y = 5 A) B) C) {(0,.

Solve the system by elimination. 21) A) B) ? C) D) Solve

Determine the inequality which matches the calculator graph. Do not

Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities. 330) A) y ? 2x - 3 B) y ? -2x - 3 C) y ? 2x - 3 D) y ? -2x - 3 331) A) y ? 3x - 2 B).

Determine the inequality which matches the calculator graph. Do not

Find the indicated matrix. 418) Let A = [-4 2] and

Find the indicated matrix. 418) Let A = [-4 2] and B = [1 0]. Find 3A + 4B. A) [-7 4] B) [-12 4] C) [-8 6] D) [-1 2] The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product.

Find the indicated matrix. 418) Let A = [-4 2] and

Which method should be used to solve the system? Explain

Which method should be used to solve the system? Explain your answer, including a description of the first step. 305) x2+ y2= 25 -10x - 4y = -7 306) -3x2+ 10y2= 4 x - 5y = 1 307) -7x2+ y2= 64 -5x2+ 4y2= 100 .

Which method should be used to solve the system? Explain

Graph the solution set of the system of inequalities. 355) 356)

Graph the solution set of the system of inequalities. 355) 356) y ? 3x y ? 8 A) B) C) D) 357) 358) ?x? ? 5 y ? 3 y ? x2- 3 359) .

Graph the solution set of the system of inequalities. 355) 356)

Give all solutions of the nonlinear system of equations, including

Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 268) x2+ y2= 36 x2- y2= 36 A) {(6, 0)} B) {(0, -6)} C) {(6, 0), (-6, 0)} D) {(0, 6), (0, -6)} 269) x2- 3y2= 1 4x2+ 3y2= 19 A) {(2, 1), (-2, -1)} B) {(-1, 2), (1, -2)} C) {(2, 1), (2, -1), (-2,.

Give all solutions of the nonlinear system of equations, including

Solve the problem. 297) The sum of the squares of the

Solve the problem. 297) The sum of the squares of the digits of a positive two -digit number is 13, and the units digit is 1 more than the tens digit. Find the number. A) 32 B) 43 C) 34 D) 23 298) A rectangular plot has area 126 yd2 with a perimeter of 46 yd..

Solve the problem. 297) The sum of the squares of the

Give all solutions of the nonlinear system of equations, including

Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 273) y = x2- 8x + 16 x + y = 4 A) {(-3, 7), (-4, 8)} B) {(3, 7), (4, 0)} C) {(3, 1), (4, 0)} D) {(4, 0)} 274) 2x2- 3y2= 38 3x2+ 5y2= 95 A) {(5, 2), (2, 5), (-5, -2),.

Give all solutions of the nonlinear system of equations, including