Question

Find the slope of Line CD.
CD with C(-4, 4) and D(5, -8)
What is the slope of this?

Answer 1

-4/3

Explanation:

Moving from C(-4, 4) and D(5, -8) we see that x (the 'run') increases by 9 and that y (the 'rise') decreases by 12. Thus, the slope m is rise/run, or

m = -12/9 = -4/3