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Algebra Final Exam Review (Exponential Unit Only)

Authored by Cherie Hornfeck

Mathematics

8th Grade

35 Questions

CCSS covered

Used 1+ times

Algebra Final Exam Review (Exponential Unit Only)
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the next 3 terms in the following geometric sequence:

512, 256, 128, ____, _____, _____, ...

32, 8, 2

1024, 2048, 4096

92, 66, 38

64, 32, 16

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The rule for finding f(n) of a geometric sequence is

f(n) = 10(2)n-1.

What is the common ratio (r) of the sequence?

2

2n

10

20

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

This image shows how a certain bacteria grows in a petri dish. What is the common ratio of this sequence?

6

3

2

4

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the first four terms of the sequence given by the rule:

f(n) = 4(5)n-1

4, 9, 14, 19

5, 20, 80, 320

20, 100, 500, 2500

4, 20, 100, 500

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A geometric sequence has a common ratio (r) of 3 and the 8th term , f(8), is 13122.

What is the first term of the sequence f(1) ?

18

6

2

3

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the 9th term in a geometric sequence with a common ratio of 2 and a first term of 3?

27

768

1,536

384

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the sequence: 125, 25, 5, ...

Write the rule f(n) using the geometric sequence formula:

f(n) = 125(1/5)n-1

f(n) = 625(1/5)n-1

f(n) = 125 + 5n

f(n) = 625(5)n-1

Tags

CCSS.HSF.BF.A.2

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