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Multiply or divide as indicated.

Question : Multiply or divide as indicated. : 2163460

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Multiply or divide as indicated.

1) (x2 + 8x/7)(81/9x + 72)

A) (81x2 + 648x/63x + 504)

B) (x + 8/x + 9)

C) (x2 + 16x + 72/567)

D) (9x/7)

2) (4x + 20/6) ÷ (3x + 15/15)

A) (4x + 20/18x)

B) (10/3)

C) (2/15)

D) (7x + 35/21)

3) (5x + 4y/x2 + 4xy + 4y2)(x + 2y/2)

A) (7/8xy)

B) (5x + 4y/2(x + 2y))

C) (5x2 + 8xy + 8y2/2x2 + 8xy + 8y2)

D) (5x2 + 8xy/2x2 + 8xy + 8y2)

4) ((x + 4)2/x - 4) ÷ (x2 - 16/4x - 16)

A) (4(x + 4)/x - 4)

B) ((x + 4)2/(x - 4)2)

C) (8(x2 + 16)/x2 - 16)

D) ((x + 4)3/4(x - 4))

5) (x2 - 36/6y) ÷ (6 - x/12xy)

A) 2x(x + 6)

B) -2x(x + 6)

C) -2x(x - 6)

D) 2x(x - 6)

6) (x2 + 13x + 36/x2 + 7x + 12)(x2 + 10x + 24/x2 + 16x + 63)

A) ((x + 7)(x + 3)/(x + 6)(x + 4))

B) (1666/1501)

C) ((x + 6)(x + 4)/(x + 7)(x + 3))

D) ((x + 9)2(x + 7)/(x + 6)(x + 4)(x + 3))

Convert as indicated.

7) 13 square feet = ______ square inches

A) (13/144)

B) 1872

C) 169

D) 156

8) 1008 square inches = ______ square feet

A) 12,096

B) 84

C) 145,152

D) 7

9) 50 miles per hour = ______ feet per second (Round to the nearest whole, if necessary.)

A) 73

B) 4400

C) (1/72)

D) 264,000

10) The meeting hall in the student union has 7200 square feet of floor space. Convert this to square yards.

A) 21,600 square yards

B) 64,800 square yards

C) 800 square yards

D) 2400 square yards

11) The field behind one of the dormitories at State College contains approximately 400 square yards of grass. Convert this to square feet.

A) 44(4/9) square feet

B) 1200 square feet

C) 3600 square feet

D) 133(1/3) square feet

12) In a physics lab, Shelly recorded the speed of an object at 110 feet per second. Convert this speed to miles per hour. (Round to the nearest whole, if necessary.)

A) 1 mph

B) 396,000 mph

C) (1/48) mph

D) 75 mph

Find the product and simplify.

13) (3x2/4)(16/x3)

A) (48x2/4x3)

B) (x/12)

C) (12/x)

D) (12x2/x3)

14) (3z3/4)(24/z2)

A) (18z2/z3)

B) 18z

C) (18/z)

D) (z/18)

15) (z3/25z)(5/2z2)

A) (1/10z)

B) (z/10)

C) (z3/10z2)

D) (1/10)

16) (4x8y/24x8y7)y10

A) (x16y4/6)

B) (y4/6)

C) (y3/6)

D) (x16y3/6)

17) (3x3y10/-27xy13)y3

A) (x3/-9)

B) (x3/-9y)

C) (x2/-9)

D) (x2y/-9)

18) 8x4(x2y/80x3y2)

A) (1/80xy)

B) (x5/10y)

C) (x6y/10x3y2)

D) (x3/10y)

19) (7/x + 7)(x/8)

A) (x/(x + 8))

B) (7/8)

C) (7x/8(x + 7))

D) (1/8)

20) (3y/6y + 3)(14y + 7/6)

A) (7/6)

B) (7y/18)

C) (y/6)

D) (7y/6)

21) (5p - 5/p)(2p2/8p - 8)

A) (40p2 + 80p + 40/2p3)

B) (4/5p)

C) (10p3 - 10p2/8p2 - 8p)

D) (5p/4)

22) (2p - 2/3)(5p2/p2 - p)

A) (10p - 10/-3p)

B) (3/10p)

C) (10p3 - 10p2/3p2 - 3p)

D) (10p/3)

23) (x2 + x/3)(24/x + 1)

A) (x/8)

B) (8x2 + 8x/x + 1)

C) 8x2

D) 8x

24) (t2 - r2/t + r)(t/t2 - tr)

A) 1

B) - (1/t)

C) -t

D) t

25) ((a - z)2/a + z)(a/a2 - az)

A) (a - z/a + z)

B) 1

C) (a + z/a - z)

D) (z/a + z)

26) (x3 + 1/x3 - x2 + x)(3x/-33x - 33)

A) - (x3 + 1/11(x + 1))

B) (x + 1/11(-x - 1))

C) - (1/11)

D) - (x2 + 1/11)

27) (x2 + 10x + 24/x2 + 8x + 12)(x2 + 10x + 16/x2 + 12x + 32)

A) (x + 4/x + 2)

B) 1

C) (x + 2/x + 8)

D) (1/x + 8)

28) (x2 + 13x + 40/x2 + 14x + 48)(x2 + 6x/x2 - 3x - 40)

A) (x/x - 8)

B) (1/x - 8)

C) (x/x2 + 14x + 48)

D) (x(x + 6)/x - 8)

29) (9x4 - 72x/3x2 - 12)(x2 + x - 2/4x3 + 8x2 +16x)

A) (3x(x + 1)/4)

B) (3x(x - 1)(x - 2)2/4(x + 2)2)

C) (3x(x - 1)/4)

D) (3(x - 1)/4)

30) (x2 - 19x + 84/x2 - 16x + 55)(x2 - 11x + 30/x2 - 17x + 70)

A) ((x2 - 19x + 84)(x2 - 11x + 30)/(x2 - 16x + 55)(x2 - 17x + 70))

B) ((x - 12)(x - 6)/(x - 11)(x - 10))

C) ((x + 12)(x + 6)/(x + 11)(x + 10))

D) ((x - 12)/(x - 10))

Solve the problem.

31) Find the area of the rectangle.

(7x/x2 - 121) feet

(x + 11/3x3) feet

A) (7/3x2(x - 11)) sq. ft

B) (11/3x3 - 33) sq. ft

C) (7/3x2(x + 11)) sq. ft

D) (7x2/3(x - 11)) sq. ft

 

Solution
5 (1 Ratings )

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Mathematics 4 Months Ago 45 Views
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