Question

Is the ordered pair (-4,3) a solution of the equation y=5x + 21

Answer 1

Explanation:

If you substitute x = -4 in the equation, you should get the y value as 3

y = 5x + 21

= 5* -4 + 21

= -20 + 21

y = -1 ≠ 3

So, (-4, 3) is not a solution