Question

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

Answer 1

Easy, using $\frac{y1-y2}{x1-x2}$ to find the intercept:

$\frac{-4-5}{-1-2}$=

$\frac{-9}{-3}$=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