Find Nth Term Given Explicit Formula

Find Nth Term Given Explicit Formula

9th Grade

20 Qs

quiz-placeholder

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Find Nth Term Given Explicit Formula

Find Nth Term Given Explicit Formula

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.BF.A.2

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.

an = 4n + 29

an = -4n + 25

an = -4n + 29

an = 4n + 25

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the rule (explicit equation) for the nth term given 
60, 55, 50, 45, ...

an= -5+60n

an= -5n+55

an= -5n+65

an= 5n+55

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the explicit rule for the arithmetic sequence
12, 10, 8, 6, ...

an = 12n - 14

a= 2n - 14

a= -2n + 14

a= -12n + 14

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find 26th term in the arithmetic sequence: -15, -35, -55, -75, ...

(HINT - Find the explicit formula first, then use your formula!)

-515

-490

-535

460

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The explicit formula for a sequence is an = 5 − 3n. What is the value of a22 ?

a22 = -61

a22 = 61

a22 = -1

a22 = -51

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the 40th term in the sequence with the given explicit formula:

12

138

128

-16

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the 25th term if the sequence whose nth term is: 10n-51

250

200

199

159

Tags

CCSS.HSF.BF.A.2

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