91Ó°ÊÓ

Solve each equation. State any extraneous solutions.

$\frac{\mathbf{j}}{\mathbf{j}\mathbf{+}\mathbf{2}}\mathbf{=}\frac{\mathbf{j}\mathbf{−}\mathbf{6}}{\mathbf{j}\mathbf{−}\mathbf{2}}$

A local cable provider asked its subscribers how many television sets they had in their homes. The results of their survey are shown in the probability distribution.

Show that the distribution is valid.

A local cable provider asked its subscribers how many television sets they had in their homes. The results of their survey are shown in the probability distribution.

If a household is selected at random, what is the probability that it has fewer than 4 televisions?

Solve each equation. State any extraneous solutions.

$\frac{\mathbf{h}\mathbf{−}\mathbf{2}}{\mathbf{h}}\mathbf{=}\frac{\mathbf{h}\mathbf{−}\mathbf{2}}{\mathbf{h}\mathbf{−}\mathbf{5}}$

Solve each equation. State any extraneous solutions.

$\frac{\mathbf{3}\mathbf{m}}{\mathbf{4}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{3}}\mathbf{=}\frac{\mathbf{3}\mathbf{m}\mathbf{+}\mathbf{4}}{\mathbf{6}}$

The results of a simulation of coin flipping are shown.

What is the experimental probability of heads?

The results of a simulation of coin flipping are shown.

What is the experimental probability of tails?

Solve each equation. State any extraneous solutions.

$\frac{\mathbf{6}}{\mathbf{5}}\mathbf{+}\frac{\mathbf{4}\mathbf{p}}{\mathbf{3}}\mathbf{=}\frac{\mathbf{8}\mathbf{p}}{\mathbf{5}}$

The results of a simulation of coin flipping are shown.

What is the theoretical probability of heads?

Solve each equation. State any extraneous solutions.

$\frac{\mathbf{r}\mathbf{−}\mathbf{2}}{\mathbf{r}\mathbf{+}\mathbf{2}}\mathbf{−}\frac{\mathbf{3}\mathbf{r}}{\mathbf{r}\mathbf{−}\mathbf{2}}\mathbf{=}\mathbf{−}\mathbf{2}$