triangle ABC and triangle CDE are similar right triangles. Which proportion can be used to show that the slope of AC is equal to the slope of CE?
A.6-3 3-(-3)
-3-1 -1-3
B.6-3 3-3
-3-(-1) -1-3
C.6-3 3-(-3)
-3-(-1) -1-3
D.-3-(-1) 3-(-3)
6-3 -1-3
