EDGE Math 8

Simplify each rational expression. Choose the correct answer.

1.	$\frac{48 x}{64 x}$

\frac{3}{4}

\frac{5}{8}

\frac{3}{8}

none of the choices

Answer: $\frac{3}{4}$

2.	$\frac{25 y^{3}}{125 y^{5}}$

\frac{1}{5 y^{2}}

\frac{y^{2}}{5}

\frac{y^{8}}{5}

none of the choices

Answer: $\frac{1}{5 y^{2}}$

3.	$\frac{x - 1}{4 x - 4}$

\frac{1}{x - 4}

\frac{1}{x - 1}

\frac{1}{4}

none of the choices

Answer: $\frac{1}{4}$

4.	$\frac{4 x + 8}{4}$

x + 4

x + 2

4 x + 2

none of the choices

Answer: $x + 2$

5.	$\frac{5 x + 100}{3 x + 60}$

x + 20

2 x + 40

\frac{5}{3}

none of the choices

Answer: $\frac{5}{3}$

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