Complete the equation for the horizontal line that passes through (5, –7).
y =
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
Select the coefficients and constant for the standard form equation Ax+By=C that has an x-intercept of 3 and a y-intercept of 5.
(Write A=, B= C=, or just write the completed equation).
Question 12
12.
Question 13
13.
Question 14
14.
Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. Write the Standard Form equation which determines the number x of hardcover books and the number y of paperback books he can buy.
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
What is the y-intercept of the line y+11 = -2 (x+\frac{3}{2})?
For full credit, your answer must be a point indicated by an ordered pair of coordinates (x, y).
Which equation matches the graph?
y=-2x+1
y=3x-8
y=2x-5
y=-4x-1
Which of the following is an equation of the line through the points (2, 3) and (-1, -12)?
y=-5x+7
y=-\frac{1}{5}x+\frac{17}{5}
y=5x-7
y=\frac{1}{5}x+\frac{13}{5}
Yuson must complete 30 hours of community service. She does 2 hours each day. Which linear equation represents the hours Yuson has left after x days?
y=2x-30
y=-2x-30
y=2x+30
y=-2x+30
For the graph of the equation you wrote in Item 3, what does the y-intercept represent?
Days it takes to complete 30 hours
Hours completed each day
Hours left to complete
Total hours of service
For which values of A, B, and C will Ax + By = C be a vertical line through the point (8, 6)?
A = 0, B = 1, C = 8
A = 0, B = 1, C = 6
A = 1, B = 0, C = 6
A = 1, B = 0, C = 8
Which equation matches the graph?
y-2=-3(x-2)
y+2=-3(x+2)
y-2=3(x+2)
y-2=3(x-2)
What is an equation in point-slope form of the line that passes through the point (4, −1) and has slope 6?
y+1=6(x-4)
y-1=6(x+4)
y-1=-6(x+2)
y+1=-6(x-4)
What is an equation in point-slope form of the line that passes through (−7, 1) and (−3, 9)?
y − 9 = 2(x + 3)
y + 3 = 2(x − 9)
y − 3 = 2(x + 9)
y + 9 = 2(x − 3)
Which equation matches the graph?
–2x + 6y = –8
2x + 6y = –8
3x + 4y = –12
4x + 3y = –24
What is the equation in standard form of the line y = \frac{1}{9}x + 5?
x = 9y − 45
x − 9y = −45
9y = x + 45
9y − x = 45
What are the x-intercept and y-intercept of the graph 9x-7y=-63?
x-intercept: 7; y-intercept: −9
x-intercept: 9; y-intercept: −7
x-intercept: −7; y-intercept: 9
x-intercept: −9; y-intercept: 7
For the situation in Item 14, which of the following represents a possible combination of books that Derek can buy? Select all that apply.
(–2, 15)
(2, 5)
(3,\frac{5}{2})
(0, 10)
Choose the correct way to end the sentence.
The lines 5x + 2y = 14 and y = –5x + 9 are
parallel
perpendicular
neither parallel nor perpendicular.
Which lines are parallel to 8x + 2y = 7? Select all that apply.
16x + 4y = 9
y = −4x
y − 1 = 4(x + 8)
y = −4x + 15
Which equation is the slope-intercept form of the line that passes through (6, –11) and is parallel to the graph of y = –\frac{2}{3}x + 12?
y=-\frac{2}{3}x-15
y=\frac{2}{3}x-5
y=-\frac{2}{3}x-7
y=-\frac{2}{3}x-6
Line vpasses through point (6, 6) and is perpendicular to the graph of y = \frac{3}{4}x –11. Line w is parallel to line v and passes through point (–6, 10). Which is the equation of line w in slope-intercept form?