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Determine whether the given ordered pair is a solution of the system. 1) (4, -3)

Question : Determine whether the given ordered pair is a solution of the system. 1) (4, -3) : 2151789

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

Determine whether the given ordered pair is a solution of the system.

1) (4, -3)

x + y = 1

x - y = 7

A) solution

B) not a solution

2) (5, -6)

x + y = -11

x - y = 1

A) not a solution

B) solution

3) (2, 1)

3x + y = 7

4x + 3y = 11

A) not a solution

B) solution

4) (-6, 4)

2x - y = -8

4x + 2y = -16

A) not a solution

B) solution

5) (3, -6)

4x - y = 6

3x - 4y = -15

A) not a solution

B) solution

6) (-6, -2)

2x + y = -10

3x + 2y = -14

A) not a solution

B) solution

7) (3, 5)

2x = 11 - y

3x = 19 - 2y

A) not a solution

B) solution

8) (-3, 1)

3x = 10 - y

4x = 15 - 3y

A) not a solution

B) solution

Solve the system of equations by the substitution method.

9) (x + y = -8)(y = 3x)

A) {(-2, -6)}

B) {(2, 6)}

C) {(-2, 6)}

D) {(2, -6)}

10) (3x + 2y = 98)(x = 4y)

A) {(28, -7)}

B) {(28, 7)}

C) {(29, 7)}

D) {(7, 28)}

11) (y = 3x + 4)(5y + 25x = -180)

A) {(-5, -11)}

B) {(5, -11)}

C) {(-11, -5)}

D) ∅

12) (3y = x - 54)(5x + 15y = 0)

A) {(-27, -10)}

B) {(27, 9)}

C) {(27, -9)}

D) {(-9, 27)}

13) (y = 4x -2)(y = 9x - 1)

A) {(- (1/5), - (14/5))}

B) {(1, 2)}

C) {(- (14/5), - (1/5))}

D) ∅

14) (-2x - 4y = -84)(x - 5y = 0)

A) {(30, 6)}

B) {(30, -6)}

C) {(6, 30)}

D) {(31, 6)}

15) x - 2y = 11

-7x - 3y = -43

A) {(6, -1)}

B) {(7, -2)}

C) {(-7, -1)}

D) ∅

16) 5x + 8y = -10

-2x + 2y = -22

A) {(6, -4)}

B) {(5, -4)}

C) {(6, -5)}

D) ∅

17) -6x + y = -12

2x - 4y = -7

A) {(-4, - (3/2))}

B) {((5/2), 3)}

C) {(1, 18)}

D) {((7/2), 9)}

18) 3x - 2y = -4 - 3x

5x + 3y = x + 2y + -12

A) {(- (2/3), 0)}

B) {(0, -4)}

C) {(-2, -4)}

D) {(-2, 4)}

19) y = (1/3)x - 24

y = (1/6)x - 18

A) {(72, 0)}

B) {((37/3), 14)}

C) {(36, -12)}

D) {(36, 12)}

Solve the system by the addition method.

20) x + y = -9

x - y = 17

A) {(4, 13)}

B) {(9, -13)}

C) {(9, 4)}

D) {(4, -13)}

21) (7x + 6y = -5)(-7x -12y = 17))

A) {(-1, 2)}

B) {(-1, -2)}

C) {(1, -2)}

D) ∅

22) 3x + 6y = 15

3x + 2y = 35

A) {(15, -5)}

B) {(-15, 3)}

C) {(-5, 15)}

D) {(-15, 6)}

23) x - 2y = -3

3x - 3y = -3

A) {(-1, 3)}

B) {(0, 3)}

C) {(1, 2)}

D) ∅

24) -6x + y = -9

6x + 5y = 15

A) {(5, 1)}

B) {((5/3), 1)}

C) {( (8/3), 7)}

D) {(1, 11)}

25) 3x + 56y = 56

2x - 7y = -7

A) {(1, 1)}

B) {(0, 0)}

C) {(0, 1)}

D) {(1, 0)}

26) 2x + 30y = -224

9x + 5y = 32

A) {(9, -9)}

B) {(-8, 8)}

C) {(-5, 8)}

D) {(8, -8)}

27) 9x + 8y = -101

-6x + 6y = -12

A) {(-6, -6)}

B) {(-5, -6)}

C) {(-5, -7)}

D) ∅

28) -3x - 5y = -16

7x - 4y = -41

A) {(-3, 5)}

B) {(-3, -5)}

C) {(3, -5)}

D) {(3, 5)}

29) 5y = 82 - 4x

2x = 86 - 5y

A) {(5, -18)}

B) {(4, -18)}

C) {(-2, 18)}

D) ∅

Solution
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Algebra 5 Months Ago 52 Views
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