1
Created by Boundless
Which of the following lines has no slope?
A
y=x+7
B
x=y+3
C
y=7
D
x=7
2
Created by Boundless
At what point does the equation 4x=3y­9 cross the y­axis?
A
(0,­9/4)
B
(0,3)
C
(­9/4,0)
D
(3,0)
3
Created by Boundless
At what point does the equation x­3y=6 cross the x­axis?
A
(6,0)
B
(0,6)
C
(­2,0)
D
4
(0,­2)
Created by Boundless
Which of the following lines is parallel to y=­2x+4?
A
y=4x+2
B
y=2x+4
C
3­2x=y
D
2x+3=y
5
Created by Boundless
Convert the following equation in point­slope form to slope­intercept form: y + 3 = 2(x − 6) .
A
y = 2x − 9
B
y = 2x − 15
C
y = 2x + 3
D
y = 2x − 3
6
Created by Boundless
Given the point (3,4) and a slope of 5, write the equation of the line in slope­
intercept form.
A
y = 3x + 4
B
y = 4x − 3
C
y = 5x + 11
D
y = 5x − 11
7
Created by Boundless
Which of the following lines is parallel to 6x
A
−12x + 10y = 1
B
y=−
5
6
x+1
C
y=−
6
5
x+1
D
y=−
1
5
x−2
8
= 5y + 1 ?
Created by Boundless
Which of the following lines is perpendicular to 10 + 3x
9
3
5
A
y=−
B
5x + 3y = 1
C
y=−
D
y=
3
5
1
3
x+8
x−6
x+7
Created by Boundless
= 5y ?
Find the shortest distance between the parallel lines y
y = x − 2 to the nearest hundredth.
A
8.00 units
B
4.47 units
C
4.00 units
D
5.66 units
10
= x + 6 and Created by Boundless
A taxi charges $1.50 per mile, plus an initial fee of $3.00. What equation can be
used to model the cost (c) of a taxi ride that travels m miles?
A
c=3m+1.5
B
m=1.5c+3
C
c=1.5m­3
D
c=1.5m+3
11
Created by Boundless
A phone company charges an initial fee of $1.00 for each international call, plus an
additional 25 cents per minute. How much will an international call that lasts an
hour and 20 minutes cost?
A
$6.00
B
$21.00
C
$20.00
D
12
$31.00
Created by Boundless
Given the points (1,3), (2,5), and (3,6), find the least squares regression line.
A
y=1.778x+1.7
B
y=1.667x+1.5
C
y=1.7x+1.778
D
y=1.5x+1.667