1.
Which equation has a graph perpendicular to the graph 3
y
= 2
x
- 9?
A.
2
x
+ 3
y
= 4
B.
y
= 2
x
+ 5
C.
3
x
+ 2
y
= 7
D.
Hint
2.
Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4
x
- 2
y
= 6?
A.
y
= 4
x
+ 3
B.
y
= 2
x
C.
D.
y
= -2
x
+ 1
Hint
3.
Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation
does not
have a graph that is a line parallel to the other three?
A.
B.
3
x
+ 4
y
= -16
C.
D.
8
y
= - 6
x
Hint
4.
Line segment
has endpoints A(-6, -3) and B(2, 1). Line segment
has endpoints C(-4, 8) and D(3, -6). Is
perpendicular to
? Why?
A.
Yes, the slopes are negative reciprocals.
B.
Yes, the slopes are opposites.
C.
No, the lines intersect but not at right angles.
D.
No, the lines are parallel.
Hint
5.
Write the slope-intercept form of an equation for a line perpendicular to the graph of
y
= -3
x
+ 5 and passes through the
x
-intercept of that line.
A.
B.
C.
D.
Hint