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sequences review

Authored by Mariella Vasconcelos

Mathematics

8th - 9th Grade

CCSS covered

Used 61+ times

sequences review
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38 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the 7th term for the rule: 
f(n) = 3(0.8)n-1

0.786
0.629
14.4
2.4

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 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

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next term:
6, 12, 18, 24...

30
32
34
6

Tags

CCSS.2.NBT.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the explicit formula for the following sequence: 3, -1, 1/3, -1/9,... 

an = 1/3 ⋅ (3)n-1
an = 3 ⋅ (1/3)n-1
an = -1/3 ⋅ (3)n-1
an = 3 ⋅ (-1/3)n-1

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine whether the sequence is arithmetic, geometric, or neither:
-4, 1, 6, 11, ...

arithmetic
geometric
neither

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the explicit formula for the following sequence? 
2, 8, 14, 20, ...

an = -6⋅n + 6
an = 6⋅n + 2
an = 2⋅n + 6
an = 6⋅n - 4

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the formula f(n+1) = f(n) - 3, f(1) = 20, name the first 3 terms. 

-3, 0, 3
-3, 17, 37
20, 23, 26
20, 17, 14

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