For the graph of the equation you wrote in Item 3, what does the y-intercept represent?
Question 5
5.
What is an equation of the horizontal line that passes through (5, −7)?
Question 6
6.
For which values of A, B, and C will Ax + By = C be a vertical line through the point (8, 6)?
Question 7
7.
Question 8
8.
What is an equation in pointslope form of the line that passes through the point (4, −1) and has slope 6?
Question 9
9.
What is an equation in pointslope form of the line that passes through (−7, 1) and (−3, 9)?
Question 10
10.
What is the graph of 4x + 3y = −24?
Question 11
11.
Write the equation in standard form of the line that has x-intercept 3 and y-intercept 5.
Question 12
12.
What is the equation in standard form of the line:
Question 13
13.
What are the x-intercept and the y-intercept of the graph of 9x − 7y = −63?
Question 14
14.
Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. What equation in standard form determines the number x of hardcover books and the number y of paperback books he can buy?
Question 15
15.
For the situation in Item 14, which of the following represents a possible combination of books that Derek can buy? Select all that apply.
Question 16
16.
Determine whether the lines are parallel, perpendicular, or neither.
5x + 2y = 14 and y = −5x + 9
Question 17
17.
Which lines are parallel to 8x + 2y = 7? Select all that apply.
Question 18
18.
Question 19
19.
What is the y-intercept of the line y + 11 = −2(x + 1)?
Which of the following is an equation of the line through (2, 3) and (−1, −12)?
Yuson must complete 30 hours of community service. She does 2 hours each day. Write a linear equation to represent the hours Yuson has left after x days.
What is an equation in point-slope form of the line shown in the graph, using the point (2, 2)?
The lines are both parallel and perpendicular
Write the equation in slopeintercept form of the line that passes through (6, −11) and is parallel to the graph of: