cobalt
test prep
Algebra Practice Test 2
1.
Solve the following equation:
(2
a
2
b
−
c
2
)(9
a
6
b
+
6
c
6
)
=
?
A.
18
a
8
b
2
+
12
a
2
b
c
6
−
9
a
6
b
c
2
−
7
c
8
B.
11
a
8
b
2
+
4
a
2
b
c
6
−
9
a
6
b
c
2
−
6
c
8
C.
18
a
12
b
2
+
12
a
2
b
c
6
−
3
a
6
b
c
2
−
6
c
12
D.
18
a
8
b
2
+
12
a
2
b
c
6
−
9
a
6
b
c
2
−
6
c
8
E.
18
a
8
b
2
+
12
a
2
b
c
6
+
9
a
6
b
c
2
+
5
c
8
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2.
Which equation is represented by the graph below?
y
x
A.
y
=
2
x
−
1
B.
y
=
−2
x
+
1
C.
y
=
x
−
2
D.
y
=
2
x
+
1
E.
y
=
−
x
−
1
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3.
Solve for
x
:
8
x
−
2
=
2
x
+
10
A.
x
=
1
B.
x
=
2
C.
x
=
6
D.
x
=
−2
E.
x
=
12
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