Chapter 5
Algebra 1 · 391 exercises
Problem 77
Use the equation \(2 x+7 y=14\). What is the \(x\) -intercept?
2 step solution
Problem 77
Graph the function. $$ f(x)=-3 x+4 $$
4 step solution
Problem 78
Use the equation \(2 x+7 y=14\). What is the \(y\) -intercept?
3 step solution
Problem 78
Graph the function. $$ g(x)=-x-7 $$
4 step solution
Problem 79
Use the equation \(2 x+7 y=14\). Multiply each term in the equation by \(\frac{1}{14}\)
3 step solution
Problem 79
Graph the function. $$ h(x)=2 x-8 $$
4 step solution
Problem 80
Use the equation \(2 x+7 y=14\). Find a relationship between the denominators on the left side of the equation and the \(x\) -intercept and the \(y\) -intercept.
3 step solution
Problem 80
Graph the function. $$ f(x)=-5 x-7 $$
3 step solution
Problem 81
Use the following information. The equation represents the intercept form of the equation of a line. In the equation, the \(x\) -intercept is \(a\) and the \(y\) -intercept is \(b\). $$\frac{x}{a}+\frac{y}{b}=1$$ Write the intercept form of the equation of the line whose \(x\) -intercept is 2 and \(y\) -intercept is 3
2 step solution
Problem 81
Graph the function. $$ f(x)=6 x+7 $$
4 step solution
Problem 82
Graph the function. $$ f(x)=3-7 x $$
3 step solution
Problem 83
Graph the function. $$ g(x)=-\frac{1}{2} x-3 $$
4 step solution
Problem 84
Solve the equation. Check the result. (Review 3.4 ) $$8+y=3$$
2 step solution
Problem 84
Graph the function. $$ f(x)=8 x+\frac{2}{3} $$
4 step solution
Problem 85
Solve the equation. Check the result. (Review 3.4 ) $$y-9=2$$
3 step solution
Problem 85
Graph the function. $$ h(x)=\frac{6}{5} x+5 $$
3 step solution
Problem 86
Solve the equation. Check the result. (Review 3.4 ) $$-6(q+22)=5 q$$
5 step solution
Problem 86
In a school of 500 teens, 40 have taken drum lessons. What are the odds that a randomly chosen teen has not taken drum lessons?
4 step solution
Problem 87
Solve the equation. Check the result. (Review 3.4 ) $$2(x+5)=18$$
4 step solution
Problem 87
A jar contains 10 blue marbles, 7 red marbles, and 4 yellow marbles. Without looking, you reach into the jar and choose one marble. What is the probability that the marble is red?
3 step solution
Problem 88
Solve the equation. Check the result. (Review 3.4 ) $$7-2 a=-14$$
5 step solution
Problem 89
Solve the equation. Check the result. (Review 3.4 ) $$-2+4 c=19$$
5 step solution
Problem 90
Use a table of values to graph the equation. Label the x-intercept and the y-intercept. $$ y=-x+8 $$
5 step solution
Problem 91
Use a table of values to graph the equation. Label the \(x \text { -intercept and the } y \text { -intercept. (Review } 4.2,4.3)\) $$y=4 x-4$$
3 step solution
Problem 92
Use a table of values to graph the equation. Label the \(x \text { -intercept and the } y \text { -intercept. (Review } 4.2,4.3)\) $$y=x+5$$
5 step solution
Problem 93
Use a table of values to graph the equation. Label the \(x \text { -intercept and the } y \text { -intercept. (Review } 4.2,4.3)\) $$y=-9+3 x$$
3 step solution
Problem 94
Use a table of values to graph the equation. Label the \(x \text { -intercept and the } y \text { -intercept. (Review } 4.2,4.3)\) $$y=-x-1$$
4 step solution
Problem 95
Use a table of values to graph the equation. Label the \(x \text { -intercept and the } y \text { -intercept. (Review } 4.2,4.3)\) $$y=10-x$$
3 step solution
Problem 96
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(2,3),(-4,1)$$
3 step solution
Problem 97
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(7,6),(5,-9)$$
3 step solution
Problem 98
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(-5,-2),(-1,12)$$
4 step solution
Problem 99
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(6,-2),(-5,-8)$$
3 step solution
Problem 100
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(2,9),(4,7)$$
3 step solution
Problem 101
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(19,-2),(4,-1)$$
3 step solution
Problem 102
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(5,-8),(7,-3)$$
4 step solution
Problem 103
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(14,-9),(-5,-3)$$
3 step solution
Problem 104
Graph the line that passes through the points. Write its equation in slope- intercept form. (Review \(5.3 \text { for } 5.7)\) $$(-5,9),(5,4)$$
3 step solution
Problem 105
You have 125.79 dollars to spend for a CD player. The sales tax is \(6 \% .\) What is your price limit for the CD player? (Review 3.6)
4 step solution
Problem 106
You have 15 DOLLARS to spend for a calendar. The sales tax is \(8.5 \% .\) What is your price limit for the calendar? (Review 3.6 )
4 step solution
Problem 107
You leave a 1.50 dollars tip for a lunch of \(\$ 6.00 .\) What percent tip did you leave? (Review 3.8).
3 step solution
Problem 108
A coat regularly sells for 84 dollars You buy the coat on sale and save \(\$ 10 .\) What percent is the discount? (Review 3.8 )
4 step solution