Chapter 7

Elementary Algebra · 322 exercises

Problem 23

Graph the equation \(y=-2\).

2 step solution

Problem 23

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=3 x+4 $$

4 step solution

Problem 23

For the following problems, graph the equations. $$ 4 x+0 y=16 $$

3 step solution

Problem 24

Graph the equations. $$ x=0 $$

5 step solution

Problem 24

For the following problems, graph the equation of inequality. $$ 2 x+3 y>6 $$

4 step solution

Problem 24

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ m=8,(4,0) $$

4 step solution

Problem 24

Determine the slope and \(y\) -intercept of the line \(-4 y-3 x=16\).

4 step solution

Problem 24

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=2 x+9 $$

4 step solution

Problem 24

For the following problems, graph the equations. $$ \frac{1}{2} x+0 y=-1 $$

4 step solution

Problem 24

Graph the linear equations and inequalities. $$ \frac{y}{7} \leq 3 $$

3 step solution

Problem 25

Graph the equations. $$ y=0 $$

2 step solution

Problem 25

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ m=-3,(3,0) $$

4 step solution

Problem 25

Find the slope of the line passing through the points (-1,5) and (2,3) .

3 step solution

Problem 25

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=9 x+1 $$

3 step solution

Problem 25

For the following problems, graph the equations. $$ \frac{2}{3} x+0 y=1 $$

3 step solution

Problem 26

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=7 x+10 $$

3 step solution

Problem 26

For the following problems, graph the equations. $$ y=3 $$

5 step solution

Problem 26

Graph the linear equations and inequalities. $$ \frac{-5 y}{8} \leq 4 $$

4 step solution

Problem 27

The slope of a straight line is a _______ of the steepness of the line.

5 step solution

Problem 27

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ m=-6,(0,0) $$

3 step solution

Problem 27

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=-4 x+5 $$

3 step solution

Problem 27

For the following problems, graph the equations. $$ y=-2 $$

4 step solution

Problem 28

Write the formula for the slope of a line that passes through the points \(\left(x_{1}, y_{1}\right)\) and \(\left(x_{2}, y_{2}\right)\).

4 step solution

Problem 28

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ m=-2,(0,1) $$

4 step solution

Problem 28

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=-2 x+8 $$

3 step solution

Problem 28

For the following problems, graph the equations. $$ -4 y=20 $$

3 step solution

Problem 29

Determine the slope and \(y\) -intercept of the lines. $$ y=4 x+10 $$

3 step solution

Problem 29

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (0,0),(3,2) $$

3 step solution

Problem 29

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=-6 x-1 $$

3 step solution

Problem 29

For the following problems, graph the equations. $$ x=-4 $$

3 step solution

Problem 29

Graph the linear equations and inequalities. $$ 6 \leq x+4 \leq 7 $$

3 step solution

Problem 30

Determine the slope and \(y\) -intercept of the lines. $$ y=3 x-11 $$

3 step solution

Problem 30

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=-x-6 $$

3 step solution

Problem 30

For the following problems, graph the equations. $$ -3 x=-9 $$

3 step solution

Problem 31

Determine the slope and \(y\) -intercept of the lines. $$ y=9 x-1 $$

4 step solution

Problem 31

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (4,1),(6,3) $$

3 step solution

Problem 31

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=-x+2 $$

4 step solution

Problem 31

For the following problems, graph the equations. $$ -x+4=0 $$

5 step solution

Problem 31

Simplify \(\left(3 x^{8} y^{2}\right)^{3}\)

3 step solution

Problem 32

Determine the slope and \(y\) -intercept of the lines. $$ y=-x+2 $$

4 step solution

Problem 32

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (2,5),(1,4) $$

5 step solution

Problem 32

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ 2 y=4 x+8 $$

3 step solution

Problem 32

For the following problems, graph the equations. Construct the graph of all the points that have coordinates \((a, a),\) that is, for each point, the \(x-\) and \(y\) -values are the same.

5 step solution

Problem 33

Determine the slope and \(y\) -intercept of the lines. $$ y=-5 x-4 $$

4 step solution

Problem 33

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (5,-3),(6,2) $$

3 step solution

Problem 33

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ 4 y=16 x+20 $$

2 step solution

Problem 33

For the following problems, graph the equations. $$ 2.53 x+4.77 y=8.45 $$

5 step solution

Problem 33

Solve the inequality \(-4(x+3)<-3 x+1\)

4 step solution

Problem 34

Determine the slope and \(y\) -intercept of the lines. $$ y=x $$

4 step solution

Problem 34

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (2,3),(5,3) $$

3 step solution

Show/ page