91Ó°ÊÓ

Represent the relation as a graph and as a mapping diagram. Then tell whether the relation is a function. Explain your reasoning.

$\left(1,2\right),\left(1,5\right),\left(2,4\right),\left(3,3\right),\left(4,1\right)$

Tell whether the ordered pair is a solution $y=5x-7$.

3. $\left(2,3\right)$ 4. $\left(0,-6\right)$ 5. $\left(4,14\right)$ 6. $\left(-3,-22\right)$

Graph the equation.

$y=2x$

Solve the equation Check your solution.

Graph the equation.

Represent the relation as a graph and as a mapping diagram. Then tell whether the relation is a function. Explain your reasoning.

$\left(-4,2\right),\left(2,3\right),\left(4,8\right),\left(0,3\right),\left(-2,2\right)$

Tell whether the ordered pair is a solution of $y=5x-7$.

Solve the equation Check your solution.

Graph the equation.

$y=x-4$.

Write an inequality represented by the graph.