91Ó°ÊÓ

Graph each inequality.

23.$y>\frac{1}{3}x+5$.

Which line best fits the data in the graph at the right?

$\begin{array}{l}A)\text{ â¶Ä‰â¶Ä‰â¶Ä‰}y=x\\ B)\text{ â¶Ä‰â¶Ä‰â¶Ä‰}y=−0.5x+4\\ C)\text{ â¶Ä‰â¶Ä‰â¶Ä‰}y=−0.5x−4\\ D)\text{ â¶Ä‰â¶Ä‰â¶Ä‰}y=0.5+0.5x\end{array}$

Which of the equations $x+9y=7, x^2+5y=0,$ and $y=3x-1$ is not linear?

Graph each inequality.

$yâ‰\yen \frac{1}{2}x-5$.

Find the x-intercept and the y-intercept of the graph of each equation.

$6x=-12y+48$

Find the slope of the line that passes through each pair of points.

24. $\left(\frac{1}{2},\frac{2}{3}\right),\left(\frac{5}{6},\frac{1}{4}\right)$

Graph the line passing through the given point with the given slope

$ \text{(-2,2),-}\frac{1}{3}$

Write an equation in slope-intercept form for the line that satisfies each set of conditions.

24. slope $\mathbf{0}.\mathbf{25}$, passes through $\left(\mathbf{0},\mathbf{4}\right)$

Graph each relation or equation and find the domain and range.

Then determine whether the relation or equation is a function.

$\left\{\left(4,5\right),\left(6,5\right),\left(3,5\right)\right\}$

Which of the functions $f\left(x\right)=2x+4,g\left(x\right)=7$and $h\left(x\right)=x^3-x^2+3x$is not linear.