Question

Does the point (3, 1) lie on the line y = x-3?

Answer 1

No

Explanation:

To find out whether (3,1) on y = x - 3, you need to substitute in the equation

so

y = 1, x = 3 then

1 = 3 - 3

=> 1 = 0

So 1 can't be 0, (3,1) is not on y = x - 3