Question 282204
You have to plug in x and y given those two points and see if both sides come out right.

So we have x = 2 and y = -3

{{{x^2 + 2y = -2}}}
{{{(2)^2 + 2(-3) = -2}}}
{{{4 - 6 = -2}}}
{{{ -2 = -2}}} This is true, so (2,-3) is a solution