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Math Problems
Grade 7
Integer addition and subtraction rules
Is
–
9
−–
83
–9 − –83
–9−–83
positive or negative?
\newline
Choices:
\newline
(A)positive
\newline
(B)negative
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Is
25
+
22
25 + 22
25
+
22
positive or negative?
\newline
Choices:
\newline
(A)positive
\newline
(B)negative
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Is
43
−
(
−
77
)
43 - (-77)
43
−
(
−
77
)
positive or negative?
\newline
Choices:
\newline
(A)positive
\newline
(B)negative
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Is
–
87
+
–
78
–87 + –78
–87
+
–78
positive or negative?
\newline
Choices:
\newline
(A)positive
\newline
(B)negative
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Is
1
+
78
1 + 78
1
+
78
positive or negative?
\newline
Choices:
\newline
(A)positive
\newline
(B)negative
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Is
8
−
(
−
26
)
8 - (-26)
8
−
(
−
26
)
positive or negative?
\newline
Choices:
\newline
(A)positive
\newline
(B)negative
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Is
12
+
(
−
1
)
12 + (-1)
12
+
(
−
1
)
positive or negative?
\newline
Choices:
\newline
(A)positive
\newline
(B)negative
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Factor completely.
162
p
2
−
242
162p^2-242
162
p
2
−
242
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