Chapter 7

Elementary Algebra · 322 exercises

Problem 34

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ -5 y=15 x+55 $$

2 step solution

Problem 34

For the following problems, graph the equations. $$ 1.96 x+2.05 y=6.55 $$

3 step solution

Problem 34

Solve the equation \(y=-5 x+8\) if \(x=-2\).

4 step solution

Problem 35

Determine the slope and \(y\) -intercept of the lines. $$ y=-6 x $$

3 step solution

Problem 35

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

3 step solution

Problem 35

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ -3 y=12 x-27 $$

4 step solution

Problem 35

For the following problems, graph the equations. $$ 4.1 x-6.6 y=15.5 $$

3 step solution

Problem 35

Solve the equation \(2 y=5(3 x+7)\) if \(x=-1\).

6 step solution

Problem 36

Determine the slope and \(y\) -intercept of the lines. $$ 3 y=4 x+9 $$

2 step solution

Problem 36

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=\frac{3}{5} x-8 $$

2 step solution

Problem 36

For the following problems, graph the equations. $$ 626.01 x-506.73 y=2443.50 $$

3 step solution

Problem 37

Determine the slope and \(y\) -intercept of the lines. $$ 4 y=5 x+1 $$

2 step solution

Problem 37

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=\frac{2}{7} x-12 $$

3 step solution

Problem 37

Name the property of real numbers that makes \(4+x=x+4\) a true statement.

3 step solution

Problem 38

Determine the slope and \(y\) -intercept of the lines. $$ 2 y=9 x $$

3 step solution

Problem 38

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

3 step solution

Problem 38

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=\frac{-1}{8} x+\frac{2}{3} $$

3 step solution

Problem 39

Determine the slope and \(y\) -intercept of the lines. $$ 5 y+4 x=6 $$

3 step solution

Problem 39

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

3 step solution

Problem 39

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ y=\frac{-4}{5} x-\frac{4}{7} $$

3 step solution

Problem 39

Find the product \((3 x+2)(x-7)\).

7 step solution

Problem 40

Determine the slope and \(y\) -intercept of the lines. $$ 7 y+3 x=10 $$

2 step solution

Problem 40

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (-2,4),(3,-5) $$

4 step solution

Problem 40

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ -3 y=5 x+8 $$

2 step solution

Problem 40

Solve the equation \(3[3(x-2)+4 x]-24=0\).

4 step solution

Problem 41

Determine the slope and \(y\) -intercept of the lines. $$ 6 y-12 x=24 $$

4 step solution

Problem 41

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

3 step solution

Problem 41

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ -10 y=-12 x+1 $$

2 step solution

Problem 41

Supply the missing word. The coordinate axes divide the plane into four equal regions called

3 step solution

Problem 42

Determine the slope and \(y\) -intercept of the lines. $$ 5 y-10 x-15=0 $$

3 step solution

Problem 42

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (14,12),(-9,-11) $$

3 step solution

Problem 42

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

3 step solution

Problem 43

Determine the slope and \(y\) -intercept of the lines. $$ 3 y+3 x=1 $$

4 step solution

Problem 43

For the following problems, write the equation of the line using the given information in slope-intercept form. $$ (0,-4),(5,0) $$

3 step solution

Problem 43

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

2 step solution

Problem 44

Determine the slope and \(y\) -intercept of the lines. $$ 7 y+2 x=0 $$

4 step solution

Problem 44

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ 3 x-y=7 $$

4 step solution

Problem 45

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ 5 x+3 y=6 $$

4 step solution

Problem 46

Find the slope, if it exists, of the line through the given pairs of points. $$ (5,2), \quad(6,3) $$

4 step solution

Problem 47

Find the slope, if it exists, of the line through the given pairs of points. $$ (8,-2), \quad(10,-6) $$

4 step solution

Problem 47

For the following problems, determine the slope and \(y\) -intercept of the lines. $$ -x+4 y=-1 $$

3 step solution

Problem 48

For the following problems, find the slope of the line through the pairs of points. $$ (1,6),(4,9) $$

5 step solution

Problem 49

Find the slope, if it exists, of the line through the given pairs of points. $$ (1,-4), \quad(3,3) $$

4 step solution

Problem 49

For the following problems, find the slope of the line through the pairs of points. $$ (1,3),(4,7) $$

4 step solution

Problem 50

Find the slope, if it exists, of the line through the given pairs of points. $$ (0,0), \quad(-8,-5) $$

4 step solution

Problem 50

For the following problems, find the slope of the line through the pairs of points. $$ (3,5),(4,7) $$

3 step solution

Problem 51

Find the slope, if it exists, of the line through the given pairs of points. $$ (-6,1), \quad(-2,7) $$

5 step solution

Problem 51

Graph the equation \(x-3=0\).

2 step solution

Problem 51

For the following problems, find the slope of the line through the pairs of points. $$ (6,1),(2,8) $$

4 step solution

Problem 52

Find the slope, if it exists, of the line through the given pairs of points. $$ (-3,-2), \quad(-4,-5) $$

5 step solution

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