- Are AADE and AABC similar? Why? y
4
D
2
A А
E
0
0
2
4
6 8
A. No; the ratio of corresponding sides is
not proportional.
B. No, not all right triangles are similar.
C. Yes; both triangles include the origin
as a vertex.
D. Yes; AADE is a dilation of AABC with
scale factor 1/2.

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15