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Precalculus
Powers of i
What is the value of
i
8
i^8
i
8
?
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Put
−
4
-4
−
4
,
8
8
8
, and
−
7
-7
−
7
in order from least to greatest. You can use the number line to help.
\newline
Order Items:
[
[
−
4
]
[
8
]
[
−
7
]
]
[[-4][8][-7]]
[[
−
4
]
[
8
]
[
−
7
]]
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Select the expressions that are equivalent to
4
m
+
7
m
4m + 7m
4
m
+
7
m
.
\newline
Multi-select Choices:
\newline
(A)
10
m
+
2
m
10m + 2m
10
m
+
2
m
\newline
(B)
6
m
+
3
m
+
2
m
6m + 3m + 2m
6
m
+
3
m
+
2
m
\newline
(C)
m
×
11
m \times 11
m
×
11
\newline
(D)
m
11
m^{11}
m
11
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What are the
y
y
y
coordinates of the system,
x
2
+
y
2
=
10
x^2+y^2=10
x
2
+
y
2
=
10
and
x
−
2
y
=
5
x-2y=5
x
−
2
y
=
5
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Which numbers are between
3
2
7
3\frac{2}{7}
3
7
2
and
5
1
7
5\frac{1}{7}
5
7
1
?
\newline
Multi-select Choices:
\newline
(A)
3
5
7
3\frac{5}{7}
3
7
5
\newline
(B)
5
3
7
5\frac{3}{7}
5
7
3
\newline
(C)
3
5
10
3\frac{5}{10}
3
10
5
\newline
(D)
4
5
7
4\frac{5}{7}
4
7
5
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What is the
n
n
n
th term formula for
96
,
−
24
,
6
96,-24,6
96
,
−
24
,
6
?
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Which interval notation represents the set of all numbers from
−
7
-7
−
7
to
−
3
-3
−
3
, not inclusive?
\newline
(
−
7
,
−
3
]
(-7,-3]
(
−
7
,
−
3
]
\newline
(
−
7
,
−
3
)
(-7,-3)
(
−
7
,
−
3
)
\newline
[
−
7
,
−
3
)
[-7,-3)
[
−
7
,
−
3
)
\newline
[
−
7
,
−
3
]
[-7,-3]
[
−
7
,
−
3
]
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5
×
5
−
6
(
3
×
10
)
5 \times 5 - 6(3 \times 10)
5
×
5
−
6
(
3
×
10
)
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what is the average value of
14
−
6
x
2
14-6x^2
14
−
6
x
2
on the interval
[
−
1
,
3
]
[-1,3]
[
−
1
,
3
]
?
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What is the average value of
14
−
6
x
2
14-6 x^{2}
14
−
6
x
2
on the interval
[
−
1
,
3
]
[-1,3]
[
−
1
,
3
]
?
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