Question

How do you write an equation of a line that goes through (5, -8) with m=1/2?

Answer 1

The equation of a line given a point and a slope is:

`y-y_p=m(x-x_p)`,

so:

`y+8=1/2(x-5)rArry=1/2x-5/2-8rArr`

`y=1/2x-21/2`.