1.
Find the distance between the lines with equations
x
+ 2
y
= 6 and
y
= -
x
+ 2.
A.
B.
C.
D.
Hint
2.
Find the distance between
P
(5, -3) and the line with equation
5
x
+ 12
y
= 18.
A.
13
B.
C.
D.
Hint
3.
PQR
has vertices
P
(5, 8),
Q
(9, 5), and
R
(3, 2). Find the length of the altitude of
PQR
through point
P
(
PQR
Is not a right triangle, so there is only one altitude through
P
).
A.
5
B.
C.
D.
Hint
4.
Find the distance from the origin to the graph of 2
x
+
y
= 15.
A.
undefined (cannot divide by zero)
B.
C.
D.
Hint
5.
Find the distance between the lines given by the equations
y
=
x
-
and 2
x
- 5
y
= 28.
A.
B.
C.
D.
Hint