Test:
Algebra III - Normal
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Question 1:
Solve the equation:
2
x
+
5
=
15
A
x
=
−
3
B
x
=
5
C
x
=
10
D
x
=
2
Question 2:
Solve the equation:
13
x
+
169
=
0
A
x
=
−
12
B
x
=
6.5
C
x
=
−
13
D
x
=
14
Question 3:
Expand the expression:
(
x
+
2
)
2
A
x
2
−
4
x
+
4
B
x
2
+
2
x
+
4
C
x
2
−
2
x
+
4
D
x
2
+
4
x
+
4
Question 4:
Expand the expression:
(
x
−
4
)
2
A
x
2
+
8
x
+
8
B
x
2
−
8
x
+
16
C
x
2
+
4
x
+
8
D
x
2
−
4
x
+
8
Question 5:
Expand the expression:
2
(
x
−
1
)
(
x
+
1
)
A
2
x
2
−
2
x
+
2
B
2
x
2
C
2
x
2
−
2
D
2
x
−
2
Question 6:
Expand the expression:
(
a
−
3
)
(
a
+
7
)
A
a
2
−
3
a
−
21
B
a
2
−
21
C
a
2
+
4
a
−
21
D
a
2
+
2
a
−
11
Question 7:
Expand the expression:
−
(
2
u
−
1
)
(
3
+
v
)
A
6
u
+
3
u
v
+
v
−
3
B
−
6
u
−
2
u
v
+
v
+
3
C
6
u
+
3
u
v
−
2
v
+
6
D
−
6
v
−
2
u
v
−
v
+
3
Question 8:
Expand the expression:
(
3
x
+
4
)
(
x
−
5
)
A
3
x
2
−
11
x
−
20
B
3
x
2
−
15
x
−
20
C
3
x
2
+
10
x
−
18
D
3
x
2
−
19
x
−
20
Question 9:
Rearrange the formula to make
x
the subject:
y
=
5
x
A
x
=
−
1
5
y
B
x
=
5
y
C
x
=
−
5
y
D
x
=
y
5
Question 10:
Rearrange the formula to make
p
the subject:
q
=
1
2
p
+
3
A
p
=
2
q
−
3
B
p
=
1
2
q
+
3
C
p
=
1
2
q
−
3
D
p
=
2
q
−
6
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