Test:
Algebra I - Ambitious
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Question 1:
If
x
=
5
, find:
5
x
+
7
A
32
B
17
C
34
D
30
Question 2:
If
x
=
2
and
y
=
9
, find:
(
4
x
−
3
y
)
+
7
(
x
+
y
)
A
63
B
48
C
58
D
19
Question 3:
If
x
=
3
,
y
=
−
2
, find:
2
x
−
y
2
y
+
x
A
1
B
4
C
3
D
2
Question 4:
If
x
=
1
,
y
=
−
2
,
z
=
3
, find:
x
2
+
y
2
+
z
2
z
A
4
2
3
B
3
C
4
D
4
1
3
Question 5:
If
x
=
2
, solve:
x
5
+
x
4
+
x
3
A
48
B
96
C
56
D
54
Question 6:
Simplify:
5
x
+
6
x
+
7
x
A
19
x
B
18
x
C
17
x
D
16
x
Question 7:
Simplify:
2
x
2
+
3
x
+
5
x
2
−
13
x
A
7
x
2
−
10
x
B
−
2
x
C
7
x
2
+
10
x
D
19
x
Question 8:
Simplify:
3.7
x
+
4
y
−
2.2
x
−
3
y
+
1.2
x
A
2.8
x
−
y
B
2.7
x
−
y
C
2.7
x
+
y
D
3
x
−
y
Question 9:
Simplify:
−
4
x
⋅
6
x
y
÷
3
y
A
−
24
x
2
y
B
−
8
x
2
y
C
−
24
x
2
D
−
8
x
2
Question 10:
Simplify:
(
2
x
+
5
y
)
−
(
x
−
2
y
)
A
x
+
10
y
B
3
x
+
3
y
C
x
+
3
y
D
x
+
7
y
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