Question

Tell whether the ordered pair is a solution of the given equation (answer yes or no to each):
1) 2x + y + 4 2) 3x - 2y =-5

(a) (-2,3) (a) (-1,1)
(b) (2,-3) (b) ( 1,-1)
(c) (3,-2) (c) (-1,-1)

Answer 1

well, geez, did you try them?

for (2)(a), does 3(-1)-2(1) = -5? ✓ yes
now try the others.