In the diagram below, triangle ACF is similar to triangle ABD. у
10
F
9
8
D
LE
7
6
5
4
3
2
1
A
B
IC с
0 1 2 3 4 5 6 7 8 9 10

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.