1.
If the product of the slopes of two lines is –1, then the lines are _______.
A.
vertical
B.
horizontal
C.
parallel
D.
perpendicular
Hint
2.
The graphs of the two equations
y
= 2
x
+ 5 and
are _______.
A.
parallel
B.
neither parallel nor perpendicular
C.
perpendicular
D.
the same line
Hint
3.
What would the slope of
have to be for
JKLM
to be a trapezoid?
A.
-
B.
-
C.
D.
Hint
4.
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
5.
Which line is perpendicular to
y
= -4
x
+ 2 and passes through the point (4, 3)?
A.
y
=
x
+
B.
y
=
x
+ 2
C.
y
= -
x
+ 4
D.
y
=
x
–
Hint