Write down the gradient and the y-intercept of the straight lines whose equations are given as follows: a) y=2x-4, b) 2y=x+6, c) y-x=2, d) 2x+3y=6-x

Answer 1

Put each equation into the form
y = mx + b. You will have to frearrange some of them.

The "gradient" (or slope) is then m and the y-intercept is b.

For example, in (a), m = 2 and b = -4.