Question

Is (-4, 2) a solution of 4x + 5y < -7?

Answer 1

No

Explanation:

Substitute the coordinates of the point into the left side of the inequality, evaluate and compare.

4(- 4) + 5(2) = - 16 + 10 = - 6 > - 7

Thus (- 4, 2 ) is not a solution