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Math Problems
Grade 7
Write variable expressions for arithmetic sequences
Which of the following is a whole number?
\newline
Choices:
\newline
(A)
0
0
0
\newline
(B)
8
\sqrt{8}
8
\newline
(C)
4
3
\frac{4}{3}
3
4
\newline
(D)
4.555
…
4.555\ldots
4.555
…
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Which of the following is a whole number?
\newline
Choices:
\newline
(A)
0
0
0
\newline
(B)
8
8
8
\newline
(C)
4
3
\frac{4}{3}
3
4
\newline
(D)
4.555
…
4.555\ldots
4.555
…
Get tutor help
Complete the recursive formula of the geometric sequence
\newline
56
,
−
28
,
14
,
−
7
,
…
56,-28,14,-7,\dots
56
,
−
28
,
14
,
−
7
,
…
.
\newline
d
(
1
)
=
d(1)=
d
(
1
)
=
\newline
d
(
n
)
=
d
(
n
−
1
)
⋅
d(n)=d(n-1)\cdot
d
(
n
)
=
d
(
n
−
1
)
⋅
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Complete the recursive formula of the geometric sequence
\newline
7
,
−
14
,
28
,
−
56
,
…
7,-14,28,-56,\dots
7
,
−
14
,
28
,
−
56
,
…
\newline
a
(
1
)
=
□
a(1)=\square
a
(
1
)
=
□
\newline
a
(
n
)
=
a
(
n
−
1
)
⋅
□
a(n)=a(n-1) \cdot \square
a
(
n
)
=
a
(
n
−
1
)
⋅
□
Get tutor help
