1.
Determine whether the graphs of the pair of equations
3
x
- 2
y
= 7 and 3
x
+ 2
y
= 7
are parallel, coinciding, or neither.
A.
all are correct
B.
neither
C.
coinciding
D.
parallel
Hint
2.
Write the standard form of the equation of the line that passes through the point (-1, 3) and is parallel to the graph of 2
x
- 7
y
+ 1 = 0.
A.
2
x
+ 7
y
- 23 = 0
B.
2
x
+ 7
y
+ 23 = 0
C.
2
x
- 7
y
+ 23 = 0
D.
2
x
- 7
y
- 23 = 0
Hint
3.
Determine the equation of the perpendicular bisector of the line segment with endpoints
S
(2, 6) and
T
(10, -4).
A.
4
x
- 5
y
+ 19 = 0
B.
4
x
- 5
y
- 19 = 0
C.
5
x
- 4
y
- 19 = 0
D.
5
x
+ 4
y
+ 19 = 0
Hint
4.
How can you tell if two lines are perpendicular?
A.
The slopes are reciprocals.
B.
The slopes are the same.
C.
The slopes are opposite reciprocals.
D.
The slopes are opposites.
Hint
5.
Write the equation of the line perpendicular to 5
y
+ 3
x
- 10 = 0 and that passes through the point (3,1).
A.
3
x
+ 5
y
- 50 = 0
B.
5
x
- 3
y
- 12 = 0
C.
5
x
+ 3
y
- 12 = 0
D.
5
x
- 3
y
- 4 = 0
Hint