Quiz about Algebra 1 - Ch. 6.6 Geometric Sequences Bk. Pg. 342-343

Question 1

Problem #8

Determine whether the sequence is arithmetic, geometric, or neither.

-1, 4, -7, 10

Accepted Answer

neither

There is no common difference or common ratio.

Answer

arithmetic

There is a common difference of 3.

Answer

geometric

There is a common ratio of 3.

Question 2

Problem #10

Determine whether the sequence is arithmetic, geometric, or neither.

$$\frac{3}{49},\ \frac{3}{7},\ 3,\ 21$$

Accepted Answer

geometric

There is a common ratio of 7.

Answer

arithmetic

There is a common difference of 7.

Answer

neither

There is no common difference or common ratio.

Question 3

Problem #12

Determine whether the sequence is arithmetic, geometric, or neither.

-25, -18, -11, -4

Accepted Answer

arithmetic

There is a common difference of 7.

Answer

geometric

There is a common ratio of 7.

Answer

neither

There is no common difference or common ratio.

Question 4

Problem #24

Write an equation for the nth term of the geometric sequence.

0.6, -3, 15, -75

Accepted Answer

$$a_n=0.6\left(-5\right)^{n-1}$$

Answer

$$a_n=0.6\left(-.5\right)^{n-1}$$

Answer

$$a_n=0.6\left(-5.1\right)^{n-1}$$

Question 5

Problem #28

Write an equation for the nth term of the geometric sequence.

Accepted Answer

$$a_n=-192\left(-\frac{1}{4}\right)^{n-1}$$

Answer

$$a_n=-192\left(\frac{1}{4}\right)^{n-1}$$

Answer

$$a_n=-192\left(-\frac{1}{4}\right)^{n+1}$$

Question 6

Problem #30

Write an equation for the nth term of the geometric sequence.

Accepted Answer

$$a_n=224\left(\frac{1}{2}\right)^{n-1}$$

Answer

$$a_n=224\left(\frac{1}{2}\right)^{n+1}$$

Answer

$$a_n=-224\left(\frac{1}{2}\right)^{n-1}$$

Algebra 1 - Ch. 6.6 Geometric Sequences Bk. Pg. 342-343

24 questions

Problem #6
Find the common ratio of the geometric sequence.
-162, 54, -18, 6, …
common ratio = (a)

Problem #8
Determine whether the sequence is arithmetic, geometric, or neither.
-1, 4, -7, 10

Problem #12
Determine whether the sequence is arithmetic, geometric, or neither.
-25, -18, -11, -4

Problem #16
Determine whether the graph represents an arithmetic sequence, a geometric sequence, or neither.
(a)

Problem #18
Identify the next three terms of the geometric sequence. (Select all that apply.)
-3, 12, -48, 192, (a) _, _

Problem #18
Identify the next three terms of the geometric sequence. (Select all that apply.)
-3, 12, -48, 192, _, (a) , _

Problem #18
Identify the next three terms of the geometric sequence.
-3, 12, -48, 192, _, _, (a)

Problem #20
Identify the next three terms of the geometric sequence.
-375, -75, -15, -3, (a) ,_, _

Problem #20
Identify the next three terms of the geometric sequence.
-375, -75, -15, -3, _, (a) ,_

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Algebra 1 - Ch. 6.6 Geometric Sequences Bk. Pg. 342-343

24 questions

Problem #6Find the common ratio of the geometric sequence. -162, 54, -18, 6, …common ratio = (a)

Problem #8Determine whether the sequence is arithmetic, geometric, or neither.-1, 4, -7, 10

Problem #12Determine whether the sequence is arithmetic, geometric, or neither.-25, -18, -11, -4

Problem #16Determine whether the graph represents an arithmetic sequence, a geometric sequence, or neither. (a)

Problem #18Identify the next three terms of the geometric sequence. (Select all that apply.)-3, 12, -48, 192, (a) ___, ___

Problem #18Identify the next three terms of the geometric sequence. (Select all that apply.)-3, 12, -48, 192, ___, (a) , ___

Problem #18Identify the next three terms of the geometric sequence.-3, 12, -48, 192, ___, ___, (a)

Problem #20Identify the next three terms of the geometric sequence. -375, -75, -15, -3,​ (a) ,___, ___

Problem #20Identify the next three terms of the geometric sequence. -375, -75, -15, -3, ___,​ (a) ,___

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Problem #6
Find the common ratio of the geometric sequence.
-162, 54, -18, 6, …
common ratio = (a)

Problem #8
Determine whether the sequence is arithmetic, geometric, or neither.
-1, 4, -7, 10

Problem #12
Determine whether the sequence is arithmetic, geometric, or neither.
-25, -18, -11, -4

Problem #16
Determine whether the graph represents an arithmetic sequence, a geometric sequence, or neither.
(a)

Problem #18
Identify the next three terms of the geometric sequence. (Select all that apply.)
-3, 12, -48, 192, (a) _, _

Problem #18
Identify the next three terms of the geometric sequence. (Select all that apply.)
-3, 12, -48, 192, _, (a) , _

Problem #18
Identify the next three terms of the geometric sequence.
-3, 12, -48, 192, _, _, (a)

Problem #20
Identify the next three terms of the geometric sequence.
-375, -75, -15, -3, (a) ,_, _

Problem #20
Identify the next three terms of the geometric sequence.
-375, -75, -15, -3, _, (a) ,_