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Geometric and Arithmetic Sequences Explicit and Recursive

Authored by Barbara White

Mathematics

9th - 10th Grade

CCSS covered

Used 1+ times

Geometric and Arithmetic Sequences Explicit and Recursive
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20 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Given the sequence:

25, 21, 17, 13,...

Write the explicit equation that models the sequence.

an = 4n + 29

an = 25 +(-4)(n-1)

an = -25 +(-4)(n-1)

an = 4n + 25

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 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

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write the explicit formula for the sequence -4, -6, -8, -10,...

an = -4 + (-2)(n-1)

an = 4 + (-2)(n-1)

an = -4 - 2(n-1)

an = -4 + 2(n-1)

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the common ratio for the sequence:

3, 15, 75...

12

1/5

5

4

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the explicit rule for the sequence:

11, 22, 44, 88...

an = 2(11)n-1

an = 11x2

an = 11(2)n-1

a1 = 11 ; an+1 = an * 2

Tags

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Identify the common difference.

10, 20, 30, 40, ...

5

10

15

20

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a1?
3, 15, 75, 375, 1875...

3
3/5
5
1875

Tags

CCSS.HSF.BF.A.2

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