Recursive Formulas Arithmetic Sequences
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the recursive formula below, find the first five terms.
u1 = 3
un = un-1 + 2
where n ≥ 2
3, 5, 7, 9, 11
5, 7, 9, 11, 13
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 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
4.
MULTIPLE CHOICE QUESTION
1 min • 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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the recursive formula for arithmetic sequences?
f(n) = f(n-1) + d
f(n) = f(1) + (n+1)d
f(n) = f(1) + nd
f(n) = f(1)+ (n-2)d
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the recursive formula for the following sequence
Tags
CCSS.HSF.IF.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 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
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