Algebra-2

To check if a point lies on the line, substitute the x-value into the equation and see if the y-value matches.

For (1, -1), when x = 1,

y = −(1) + 2 = 1, so the point (1, -1) is not on the line.

For (2, 1), when x = 2,

y = −(2) + 2 = 0, so the point (...