Post a New Question

Math

posted by on .

For which system is (-2,-3) a solution?

a) 4x+2y=7, x-y=-5

b) 3x=2y, x+y=5

c) x-y=1, 3x-2y=0

d) x-1=2y, 2x-y=-7

  • Math - ,

    I think it is C.

  • Math - ,

    substitute (-2,-3) into:
    c) x-y=1, 3x-2y=0
    x-y = -2-(-3) = -2 +3 =1
    3x-2y = 3(-2) - 2(-3) = -6 - (-6) = 0
    So it is C.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question