91Ó°ÊÓ

Which equality is represented by the graph shown?

1. $y<-2$
2. $y>-2$
3. $y≤-2$
4. $yâ‰\yen -2$

Solve the inequality. Graph and check your solution.

$z−5<1$

Solve the equation. Check your solution.

$\frac{z}{-2}+5=7$

Solve the inequality. Graph and check your solution.

Solve the equation. Check your solution.

$\mathbf{19}\mathbf{c}\mathbf{+}\mathbf{26}\mathbf{=}\mathbf{41}\mathbf{+}\mathbf{14}\mathbf{c}$

Find the cost of a child’s ticket last year if the costof a child’s ticket for a museum is lowered by $\backslash (3$ from last year. An adult’s ticket still costs $\backslash )12$. A family of $2$ adults and $2$ children pay $\$38$ to go to the museum this year.

Solve the inequality. Graph and check your solution.

$\frac{x}{-2}\mathbf{+}\mathbf{6}\mathbf{<}\mathbf{-}\mathbf{14}$

Solve the equation. Check your solution.

$\mathbf{-}\mathbf{9}\mathbf{z}\mathbf{+}\mathbf{4}\mathbf{=}\mathbf{-}\mathbf{5}$

Find whether the number $-4$ is a solution of $-5<n$.

Solve the equation. Check your solution.$\mathbf{21}\mathbf{=}\mathbf{4}\mathbf{x}\mathbf{-}\mathbf{9}\mathbf{-}\mathbf{x}$