Sequences and Series 2

Sequences and Series 2

12th Grade

30 Qs

quiz-placeholder

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Sequences and Series 2

Sequences and Series 2

Assessment

Quiz

Mathematics

12th Grade

Easy

Created by

Tess Martin

Used 5+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the common ratio of this sequence ? 5, 25, 125, ...

4

2

5

6

2.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

What is the common ratio of the geometric sequence -1, 6, -36, 216, ...?

-6

6

12

-4

3.

MULTIPLE CHOICE QUESTION

10 mins • 5 pts

Find the common ratio: 64, -16, 4, -1, ...

r = -8
r = -1/4
r = -4
r = 4

4.

MULTIPLE CHOICE QUESTION

10 mins • 5 pts

Solving for the nth term of geometric sequence, given that a1 = 1 and r= 2, what is the value of the 4th term?

2

8

4

16

5.

MULTIPLE CHOICE QUESTION

10 mins • 5 pts

Media Image

Write the explicit formula for the geometric sequence.

an = 10(2)n-1
an = 2(10)n-1
an = 10(2)n
an = 2(10)n

6.

MULTIPLE CHOICE QUESTION

10 mins • 5 pts

Media Image

Write the explicit formula for the geometric sequence.

an = 4(3)n-1
an = 3(4)n-1
an = -4(3)n-1
an = 3(-4)n-1

7.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Find the 9th term in the following geometric sequence:

4, 8, 16, 32, ...

384

512

768

1,024

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