
Warmup- Recursive and Explicit Functions
Authored by Sherri Morrisey
Mathematics
9th Grade
CCSS covered
Used 5+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Write the recursive rule for the arithmetic sequence
82, 76, 70, 64, ...
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An arithmetic sequence is given below.
2, 9, 16, 23, ...
Which is the explicit formula for the nth term an?
(Look at the choices carefully! You may have to simplify your equation to get the correct choice!)
an = -7n+9
an = 7n-5
an = 7n-9
an = -7n+5
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Select the explicit rule that represents the sequence.
a(n) = 14(-3)(n - 1)
a(n) = 3 + (n - 1)(14)
a(n) = 14 + (n - 1)(-3)
a(n) = -3 + (n - 1)(14)
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine the 3rd term of the sequence.
a1=5
an= 2an-1 - 1
14
13
17
16
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write a Next/Now rule for the table
Tags
CCSS.HSF.IF.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common ratio or difference of the sequence: 5, 20, 80, 320, ...
r = 4
d = 15
r = 5
d = 60
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify this type of sequence: 5, 20, 80, 320, ...
Arithmetic
Geometric
Neither
Tags
CCSS.HSF.BF.A.2
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