# Is P(x, y) a Solution?

## Drag the point to various positions (both ON and OFF the line). Pay attention to what you see here. Then, answer the questions that follow.

If a point LIES on a line with a given equation, what can we conclude?

If a point DOES NOT LIE on a line with a given equation, what can we conclude?

If we wanted to see whether was a solution to the equation , what would we need to do first?

Is a solution to the equation ?

If we wanted to see whether was a solution to the equation , what would we need to do first?

Is a solution to the equation ?