Question

Is the ordered pair (-9,15) a solution to: 5x+4y>10

Answer 1

Explanation:

5•(-9) + 4•(15) > 10

-45 +60 > 10

15 > 10

A : yes

Answer 2

yes

Explanation:

5x+4y>10

Substitute the point in and see if the inequality is true

5(-9) + 4(15) > 10

-45 +60 > 10

15 > 10

This is true so the point is a solution