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Sequences review

Authored by STEPHANIE ZERILLI

Mathematics

9th Grade

Used 8+ times

Sequences review
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Arithmetic, geometric, or neither?

4, 9, 14, 19, ...

Arithmetic

Geometric

Neither

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Arithmetic, geometric, or neither?

100, 50, 25, 12.5, ...

Arithmetic

Geometric

Neither

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the common difference:

25, 13, 1, -11, ...

12

-12

8

-8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the common ratio:

2, 8, 32, 128, ...

1/4

4

1/6

6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the next term:

100, 65, 30, -5...

20

-20

40

-40

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Create the formula for the geometric sequence:
-4, -16, -64, -256...

a= -4(4)n-1
a= -4(-4)n-1
a= 4(4)n-1
a= 4(4)n-1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the formula for the sequence:

11, 22, 44, 88...

an = 2(11)n-1

an = 11 + 2(n-1)

an = 11(2)n-1

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