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Math Problems
Grade 8
Factors of linear expressions
Is
5
5
5
a factor of
8
x
+
40
8x + 40
8
x
+
40
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
10
10
10
a factor of
12
b
+
78
12b + 78
12
b
+
78
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
8
8
8
a factor of
40
t
+
24
40t + 24
40
t
+
24
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
4
4
4
a factor of
30
u
+
10
30u + 10
30
u
+
10
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
8
8
8
a factor of
72
t
+
8
72t + 8
72
t
+
8
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
3
3
3
a factor of
20
c
+
10
20c + 10
20
c
+
10
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
10
10
10
a factor of
40
x
+
10
40x + 10
40
x
+
10
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
2
2
2
a factor of
8
q
+
14
8q + 14
8
q
+
14
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
5
5
5
a factor of
39
r
+
30
39r + 30
39
r
+
30
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
8
8
8
a factor of
16
x
+
56
16x + 56
16
x
+
56
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
6
6
6
a factor of
20
r
+
30
20r + 30
20
r
+
30
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
7
7
7
a factor of
55
u
+
50
55u + 50
55
u
+
50
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
2
2
2
a factor of
18
u
+
9
18u + 9
18
u
+
9
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
3
3
3
a factor of
27
a
+
15
27a + 15
27
a
+
15
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
9
9
9
a factor of
54
s
+
78
54s + 78
54
s
+
78
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
4
4
4
a factor of
7
d
+
14
7d + 14
7
d
+
14
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
10
10
10
a factor of
80
s
+
56
80s + 56
80
s
+
56
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
8
8
8
a factor of
64
r
+
52
64r + 52
64
r
+
52
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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Is
6
6
6
a factor of
6
t
+
42
6t + 42
6
t
+
42
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
Get tutor help
Is
7
7
7
a factor of
28
b
+
49
28b + 49
28
b
+
49
?
\newline
Choices:
\newline
(A)yes
\newline
(B)no
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1
1
1
. Find the common factors of (i)
12
12
12
and
15
15
15
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I am a multiple of
7
7
7
. One of my factors is
3
3
3
. I am greater than
30
30
30
but smaller than
5
5
5
What number am I?
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Y
=
2
x
+
3
2
Y= 2x + \frac{3}{2}
Y
=
2
x
+
2
3
dilated by a scale factor of
6
6
6
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Factor completely:
\newline
(
2
x
+
3
)
(
2
x
−
9
)
+
(
2
x
+
7
)
(
2
x
−
9
)
(2 x+3)(2 x-9)+(2 x+7)(2 x-9)
(
2
x
+
3
)
(
2
x
−
9
)
+
(
2
x
+
7
)
(
2
x
−
9
)
\newline
Answer:
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Factor completely:
\newline
(
4
x
+
7
)
2
+
(
4
x
+
7
)
3
(4 x+7)^{2}+(4 x+7)^{3}
(
4
x
+
7
)
2
+
(
4
x
+
7
)
3
\newline
Answer:
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