1.
If the product of the slopes of two lines is –1, then the lines are _______.
A.
vertical
B.
horizontal
C.
perpendicular
D.
parallel
Hint
2.
Which equation represents a graph that is perpendicular to the graph of
and passes through the point at (–1, 1)?
A.
B.
C.
D.
Hint
3.
What would the slope of
have to be for
JKLM
to be a trapezoid?
A.
B.
-
C.
-
D.
Hint
4.
Which equation is parallel to the graph of
y
= 2
x
+
and passes through the point (4, 7)?
A.
y
= 2
x
+ 3
B.
y
= 2
x
– 1
C.
y
= -
x
+
D.
y
=
x
+
Hint
5.
Which equation's graph is perpendicular to the graph of the equation
y
= -
x
+ 2
A.
y
=
x
– 1
B.
y
=
x
–
C.
y
= -
x
+ 1
D.
y
= -
x
+
Hint