Question

10. Which ordered pair (x, y) is a solution of 3x +4y = 12?

A (-2, 4)
B (0, -3)
C (1,2)
D (4,0)

Answer 1

C. (1, 2)

Explanation:

3x + 4y = 12

3(1) + 4(2) = 12

3 + 8 = 12

12 = 12