Question

Which ordered pair is a solution of y = x + 12? (–12, –24) (0, –12) (9, 21) (24, 12)

Answer 1

(9,21)

Explanation:

If you plug in all the pairs, the only one that is true is (9,21).

y=x+12

21=9+12

The above equation is true, and that is why (9,21) is the answer.

Hope this helped! :)