1.
When two lines have different slopes, the graphs of the equations are _________
A.
horizontal lines.
B.
the same line.
C.
parallel lines.
D.
intersecting lines.
Hint
2.
State the solution of the system of equations graphed below.
A.
(3, 1)
B.
(3, -1)
C.
(0, 3)
D.
(-1, 3)
Hint
3.
The system of equations on the graph shown is
A.
consistent and dependent.
B.
inconsistent.
C.
consistent and independent.
D.
consistent.
Hint
4.
Which of the following systems of equations is inconsistent?
A.
y
= 7
x
– 2
y
= –2
x
– 5
B.
y
= 2
x
– 3
y
= –3
x
+ 4
C.
4
y
–
x
= 12 3
y
– 2
x
= 1
D.
3
y
+ 2
x
= 13 6
y
+ 4
x
= 3
Hint
5.
Which of the following systems of equations is not consistent and independent?
A.
–
y
– 5
x
= 1 4
y
+ 3
x
= 8
B.
2
y
+ 4
x
= 3 7
y
+ 5
x
= 18
C.
7
y
+
x
= 9 3
y
+ 9
x
= 4
D.
y
+ 4
x
= 10 6
y
+ 24
x
= 60
Hint