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4. Which of the following ordered pairs satisfies the system x+4y=-1\\ x+2y=1 ?

A. (- 3, 1)

B. (- 3, - 1)

C. (3, 1)

D. (3, - 1)

5. What is the value of y if x = - 5 in the system 3x+\\ x-2 f + 5y = - 5 - 2y = - 9

A. 0

B. 1

C. 2

D. 3

6. What equation is best paired to 2x + y = 3 to make an inconsistent system of linear equations in two variables?

A. x - y = 4

B. x + 2 = y

C. y = - 2x + 1 D. y = - 2x + 3

7. Which of the following equations can be paired with 6x - 3y = 24 to make a consistent and dependent system?

A. y = 2x - 8

B. y = 2x + 8

C. y = 6x + 24

D. y = 6x - 24

8. What system of linear equations in two variables is the same as

A. x - 8y = 8, \qquad 3x - y = 18

B. x + 8y = 8, \qquad 3x + y = 18

1/2 * x - 4y = 4, \qquad x - 1/3 * y = 6

C. 8x - y = 8, \qquad x - 3y = 18

D. 8x + y = - 8, \qquad x + 3y = - 18​