Chapter 7
Elementary Algebra · 322 exercises
Problem 52
Supply the missing word. The point at which a line crosses the \(y\) -axisis called the
2 step solution
Problem 52
For the following problems, find the slope of the line through the pairs of points. $$ (0,5),(2,-6) $$
5 step solution
Problem 53
Supply the missing word. The \(\quad\) of a line is a measure of the steepness of the line.
3 step solution
Problem 53
For the following problems, find the slope of the line through the pairs of points. $$ (-2,1),(0,5) $$
5 step solution
Problem 54
Find the slope of the line that passes through the points (4,0) and (-2,-6) .
3 step solution
Problem 54
For the following problems, find the slope of the line through the pairs of points. $$ (3,-9),(5,1) $$
5 step solution
Problem 55
Find the slope, if it exists, of the line through the given pairs of points. $$ \left(\frac{1}{3}, \frac{3}{4}\right),\left(\frac{2}{9},-\frac{5}{6}\right) $$
5 step solution
Problem 55
Graph the equation \(3 y=2 x+3\).
4 step solution
Problem 55
For the following problems, find the slope of the line through the pairs of points. $$ (4,-6),(-2,1) $$
3 step solution
Problem 56
Moving left to right, lines with _______ slope rise while lines with ________ slope decline.
4 step solution
Problem 56
For the following problems, find the slope of the line through the pairs of points. $$ (-5,4),(-1,0) $$
4 step solution
Problem 57
Compare the slopes of parallel lines.
4 step solution
Problem 57
For the following problems, find the slope of the line through the pairs of points. $$ (-3,2),(-4,6) $$
4 step solution
Problem 58
Write the equation of the line using the given information. Write the equation in slope-intercept form. Slope \(=4, \quad y\) -intercept \(=5\)
2 step solution
Problem 58
For the following problems, find the slope of the line through the pairs of points. $$ (9,12),(6,0) $$
5 step solution
Problem 59
Write the equation of the line using the given information. Write the equation in slope-intercept form. Slope \(=3, \quad y\) -intercept \(=-6\)
2 step solution
Problem 59
For the following problems, find the slope of the line through the pairs of points. $$ (0,0),(6,6) $$
4 step solution
Problem 60
Write the equation of the line using the given information. Write the equation in slope-intercept form. Slope \(=1, \quad y\) -intercept \(=8\)
4 step solution
Problem 60
For the following problems, find the slope of the line through the pairs of points. $$ (-2,-6),(-4,-1) $$
3 step solution
Problem 61
Write the equation of the line using the given information. Write the equation in slope-intercept form. Slope \(=1, \quad y\) -intercept \(=-2\)
2 step solution
Problem 61
For the following problems, find the slope of the line through the pairs of points. $$ (-1,-7),(-2,-9) $$
4 step solution
Problem 62
For the following problems, find the slope of the line through the pairs of points. $$ (-6,-6),(-5,-4) $$
5 step solution
Problem 63
Write the equation of the line using the given information. Write the equation in slope-intercept form. Slope \(=-11, \quad y\) -inter cept \(=-4\)
2 step solution
Problem 63
For the following problems, find the slope of the line through the pairs of points. $$ (-1,0),(-2,-2) $$
5 step solution
Problem 64
Write the equation of the line using the given information. Write the equation in slope-intercept form. Slope \(=2, \quad y\) -intercept \(=0\)
3 step solution
Problem 64
For the following problems, find the slope of the line through the pairs of points. $$ (-4,-2),(0,0) $$
3 step solution
Problem 65
Write the equation of the line using the given information. Write the equation in slope-intercept form. Slope \(=2, \quad y\) -intercept \(=0\)Slope \(=-1, \quad y\) -intercept \(=0\)
2 step solution
Problem 65
For the following problems, find the slope of the line through the pairs of points. $$ (2,3),(10,3) $$
5 step solution
Problem 66
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ m=3, \quad(4,1) $$
3 step solution
Problem 67
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ m=2, \quad(1,5) $$
4 step solution
Problem 68
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ m=6, \quad(5,-2) $$
6 step solution
Problem 68
For the following problems, find the slope of the line through the pairs of points. $$ (4,2),(6,2) $$
3 step solution
Problem 69
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ m=-5, \quad(2,-3) $$
3 step solution
Problem 69
For the following problems, find the slope of the line through the pairs of points. $$ (5,-6),(9,-6) $$
4 step solution
Problem 70
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ m=-9, \quad(-4,-7) $$
4 step solution
Problem 70
For the following problems, find the slope of the line through the pairs of points. Do lines with a positive slope rise or decline as we look left to right?
3 step solution
Problem 71
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ m=-2, \quad(0,2) $$
4 step solution
Problem 71
For the following problems, find the slope of the line through the pairs of points. Do lines with a negative slope rise or decline as we look left to right?
4 step solution
Problem 72
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ m=-1, \quad(2,0) $$
4 step solution
Problem 72
For the following problems, find the slope of the line through the pairs of points. Make a statement about the slopes of parallel lines.
2 step solution
Problem 73
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ (2,3), \quad(3,5) $$
3 step solution
Problem 73
For the following problems, determine the slope and \(y\) -intercept of the lines. Round to two decimal places. $$ 3.8 x+12.1 y=4.26 $$
2 step solution
Problem 74
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ (4,4), \quad(5,1) $$
3 step solution
Problem 74
For the following problems, determine the slope and \(y\) -intercept of the lines. Round to two decimal places. $$ 8.09 x+5.57 y=-1.42 $$
3 step solution
Problem 75
For the following problems, determine the slope and \(y\) -intercept of the lines. Round to two decimal places. $$ 10.813 x-17.0 y=-45.99 $$
3 step solution
Problem 76
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ (8,6), \quad(7,2) $$
3 step solution
Problem 76
For the following problems, determine the slope and \(y\) -intercept of the lines. Round to two decimal places. $$ -6.003 x-92.388 y=0.008 $$
3 step solution
Problem 77
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ (-3,1), \quad(2,3) $$
3 step solution
Problem 77
For the following problems, find the slope of the line through the pairs of points. Round to two decimal places. $$ (5.56,9.37),(2.16,4.90) $$
3 step solution
Problem 78
Write the equation of the line using the given information. Write the equation in slope-intercept form. $$ (-1,4), \quad(-2,-4) $$
3 step solution