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.
parallel
B.
all are correct
C.
coinciding
D.
neither
Hint
2.
Write the standard form of the equation of the line that passes through the point (-4, -2) and is perpendicular to the graph of 3
x
- 2
y
+ 9 = 0.
A.
2
x>
+ 3
y
- 14 = 0
B.
3
x
- 2
y
- 14 = 0
C.
3
x
- 2
y
+ 14 = 0
D.
2
x
+ 3
y
+ 14 = 0
Hint
3.
How can you tell if two lines are perpendicular?
A.
The slopes are opposites.
B.
The slopes are opposite reciprocals.
C.
The slopes are the same.
D.
The slopes are reciprocals.
Hint
4.
Write the equation of the line that is parallel to 2
x
- 3
y
- 15 = 0 and that passes through the point (3,4).
A.
2
x
- 3
y
+ 6 = 0
B.
2
x
+ 5
- 3 = 0
C.
2
x
+ 3
y
+ 6 = 0
D.
2
x
- 2
y
+ 6 = 0
Hint
5.
Determine the equation of the perpendicular bisector of the line segment with endpoints (1,5) and (-6, 3).
A.
2
x
+ 7
y
- 23 = 0
B.
2
x
+ 7
y
+ 23 = 0
C.
14
x
+ 4
y
- 19 = 0
D.
14
x
+ 4
y
+ 19 = 0
Hint