Geometric and Arithmetic Sequences

Geometric and Arithmetic Sequences

9th Grade

12 Qs

quiz-placeholder

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Geometric and Arithmetic Sequences

Geometric and Arithmetic Sequences

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.BF.A.2, HSF.LE.A.2

Standards-aligned

Created by

Anthony Clark

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Create the formula for the arithmetic sequence:
-10, -3, 4, 11...

a= 17-7n

a= -17+7n

an= -17-7n

a= 17+7n

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the 8th term in the geometric sequence below?

19,683

6,561

2,187

729

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the common ratio of this geometric sequence?

500, 200, 80, 32, ...

-5/2

-2/5

2/5

5/2

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which sequence is a geometric sequence with a common ratio of 2?

5, 3, 1, -1, ...

5, 7, 9, 11, ...

5, 10, 20, 40, ...

5, 15, 45, 135, ...

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a geometric sequence, a1 = 486 and a2 = 162. What is the explicit formula for this sequence?

an = 2(3)n-1

an = 18(3)n-1

an = 18(1/3)n-1

an = 486(1/3)n-1

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following best describes this sequence?
\left\{2,\ -4,\ \ 8,\ -16,\ 32,\ ...\right\}

Arithmetic

Geometric

Neither

Both

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The next two terms of the sequence 4, 7, 10, 13 are ....

16 and 19

15 and 19

16 and 18

15 and 18

Tags

CCSS.HSF.BF.A.2

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