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, 2), when x = 1,

y = −3(1) + 6 = 3, so the point (1, 2) is not on the line.

For (2, 0), when x = 2,

y = −3(2) + 6 = 0, so the po...