Question

Given the two points (-1,-4) and (2,5): a. Find the slope between these two points

Answer 1

Easy, using
`(y1-y2)/(x1-x2)` to find the intercept:


`(-4-5)/(-1-2)`=


`(-9)/(-3)`=3

This is your slope. m=3

To find y=mx+b form

-4=3(-1)+b

-4=-3+b

-1=b

y=3x-1 in y=mx+b form