In each case, determine whether the lines $l_1$ and $l_2$ are parallel, perpendicular, or neither.

Line $l_1$ goes through $(-2,-2)$ and $(2,0)$. Line $l_2$ goes through $(-2,5)$ and $(-1,3)$

Determine which of the points following inequality satisfy that inequality

$$y \geq-2 x+5 \quad(3,0),(1,3),(-2,5)$$

Graph the equation in the rectangular coordinate system.

$$x=4$$

Simplify the arithmetic expression.

$$(-4)^2-4(1)(5)$$

Plot the points on a rectangular coordinate system.

$$\left(3,-\frac{1}{2}\right)$$

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

$$(3,3) \text { and }(4,4)$$

Write a formula that expresses the relationship described by the statement. Use k for the constant in the case

$R$ is jointly proportional to $t$ and $s$.

For the point, name the quadrant in which it lies or the axis on which it lies.

$$(0,-6)$$

The time that it takes to complete a 400-mile trip varies inversely with your average speed. Fill in the missing entries in the following table.

Graph the equation. Plot at least five points for the equation. Use graph paper

$$y=3 x-2$$

Find the equation of the line in slope-intercept form.

The line through $(-2,7)$ that is perpendicular to

$$5 x+10 y=8$$

Write the equation in slope-intercept form.

$$y-5=-\frac{3}{4}(x+1)$$

In each case, determine whether the lines $l_1$ and $l_2$ are parallel, perpendicular, or neither.

Line $l_1$ goes through $(3,5)$ and $(4,7)$. Line $l_2$ goes through $(11,7)$ and $(12,9)$

Write the equation in slope-intercept form.

$$1-x-y=0$$