Question 79915
{{{m=(y2-y1)/(x2-x1)}}}
Let's let 0 be x1, and -3 be y1
-7 is x2, while 1 is y2.

Let's plug in the numbers.

 {{{m=(1--3)/(-7-0)}}}

m=1+3/-7
m=4/-7
there you go, {{{slope=4/-7}}}