Question

4. The ordered pair (-2,-1) is a solution to which

of the following equations?
A.-4x - y = 7
B. 4x+y=-7
C. 4x - y = -7
D. -4x + y = -7

Answer 1

C

4(-2) - y = -7

-8 -y = -7

-y =-7 +8

y= -1