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Mathematics

9th Grade

CCSS covered

Used 9+ times

Arithmetic Sequences Recursive Formula
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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write a recursive rule for the sequence 17, 1, -15, -31 . . .

an = an-1 + 16
an = an-1 - 17
an = an-1 - 15
an = an-1 - 16

Tags

CCSS.HSF.IF.A.3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write the recursive formula for the following sequence?
6, 4, 2, 0, . . .

an = -2n + 8
a1 =6, an = an - 1 - 2
a1 = 6, an = an-1 + 2
a1 = 6, an = an-1 - 2

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write the recursive formula for 6, 17, 28, 39, 50....

an=an-1+11
a1=6
an=an-1-4
a1=6
an=an-1+9
a1=6
an=an-1+6
a1=6

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the recursive formula, find the first four terms:
an = an-1 + 5
a1 = -16

-16, -21, -26, -31
5, -11, -27, -43
-16, -80, -500, -200
-16, -11, -6, -1

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the sequence 4, 11, 18, 25...... what is a3 ?

4

11

18

25

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

-5, -1, 3, 7, 11
What is the common difference  (d) ?

-9

+4

-5

-1

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

-5, -1, 3, 7, 11
What is the recursive rule?

  An=A(n−1) + 4A_n=A_{\left(n-1\right)}\ +\ 4  

  An=A(n−1)−9A_n=A_{\left(n-1\right)}-9

An=A(n−1)−5A_n=A_{\left(n-1\right)}-5  

An=A(n)−4A_n=A_{\left(n\right)}-4  

Tags

CCSS.HSF.IF.A.3

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