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Math Problems
Grade 8
Evaluate powers with negative or zero exponents
Solving equations \& inequalities: Quiz
3
3
3
\newline
Solve for
d
d
d
.
\newline
Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions.
\newline
−
38
d
−
57
≥
−
19
d
+
76
-38 d-57 \geq-19 d+76
−
38
d
−
57
≥
−
19
d
+
76
\newline
□
\square
□
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Compare the numbers. Pick the correct sign.
\newline
−
8
-8
−
8
?
?
?
2
2
2
\newline
\newline
You can use the number line to help.
\newline
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Compare the numbers. Pick the correct sign.
\newline
3
?
−
10
3 ? -10
3
?
−
10
\newline
\newline
You can use the number line to help.
\newline
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Compare the numbers. Pick the correct sign.
\newline
−
1
?
−
8
-1 \,?\, -8
−
1
?
−
8
\newline
You can use the number line to help.
\newline
Choices:
\newline
(A)
>
\text{(A)} >
(A)
>
\newline
(B)
<
\text{(B)} <
(B)
<
\newline
(C)
=
\text{(C)} =
(C)
=
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Compare the numbers. Pick the correct sign.
\newline
−
2
?
−
6
-2 \,?\, -6
−
2
?
−
6
\newline
\newline
You can use the number line to help.
\newline
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
−
0.8
?
−
0.80
-0.8 \, ? \, -0.80
−
0.8
?
−
0.80
\newline
Choices:
\newline
(A)
=
=
=
\newline
(B)
≠
\neq
=
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Compare the numbers. Pick the correct sign.
\newline
−
3
?
−
6
-3 \,?\, -6
−
3
?
−
6
\newline
\newline
You can use the number line to help.
\newline
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Evaluate. Write your answer as a whole number or as a simplified fraction.
\newline
4
2
⋅
4
2
=
4^{2} \cdot 4^{2}=
4
2
⋅
4
2
=
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Determine the smallest integer value of
x
x
x
in the solution of the following inequality.
\newline
4
x
−
1
>
−
12
4 x-1>-12
4
x
−
1
>
−
12
\newline
Answer:
x
=
x=
x
=
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Determine the largest integer value of
x
x
x
in the solution of the following inequality.
\newline
4
x
−
5
<
7
4 x-5<7
4
x
−
5
<
7
\newline
Answer:
x
=
x=
x
=
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State all integer values of
x
x
x
in the interval
−
8
≤
x
≤
−
3
-8 \leq x \leq-3
−
8
≤
x
≤
−
3
that satisfy the following inequality:
\newline
2
x
+
10
<
−
4
2 x+10<-4
2
x
+
10
<
−
4
\newline
Answer:
x
=
x=
x
=
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What is the modulus (absolute value) of
6
−
8
i
6-8 i
6
−
8
i
?
\newline
Don't round. If necessary, express your answer as a radical.
\newline
∣
6
−
8
i
∣
=
|6-8 i|=
∣6
−
8
i
∣
=
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