Arithmetic Sequence Practice
Authored by Rebecca Dias
Mathematics
8th Grade
CCSS covered
Used 15+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the recursive formula.
32, 27, 22, 17,...
f(1) = 32 ; f(n) = f(n-1) - 5
f(1) = 32 ; f(n) = f(n-1) - 7
f(1) = 32 ; f(n) = f(n-1) + 5
f(1) = 32 ; f(n) = f(n-1) +6
Tags
CCSS.HSF.IF.A.3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the recursive formula.
40, 42, 44, 46,...
f(1) = 40 ; f(n) = f(n-1) + 1
f(1) = 39 ; f(n) = f(n-1) + 1
f(1) = 40 ; f(n) = f(n-1) + 2
f(1) = 39 ; f(n) = f(n-1) + 2
Tags
CCSS.HSF.IF.A.3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the recursive formula.
25, 18, 11, 4,...
f(1) = 25 ; f(n) = f(n-1) + 7
f(1) = 25 ; f(n) = f(n-1) - 7
f(1) = 23 ; f(n) = f(n-1) - 5
f(1) = 18 ; f(n) = f(n-1) - 5
Tags
CCSS.HSF.IF.A.3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
FInd the explicit formula.
13, 11, 9, 7,...
f(n) = n +12
f(n) = -2n +15
f(n) = 3n +10
f(n) = -2n -13
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the explicit formula.
39, 29, 19, 9, .....
f(n) = -10n + 36
f(n) = -10n + 47
f(n) = -10n + 49
f(n) = -10n + 37
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the explicit formula.
-21, -31, -41, -51,....
f(n) = -10n - 31
f(n) = -10n - 21
f(n) = -10n - 11
f(n) = -10n - 19
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the explicit formula.
15, 21, 27, 33,...
f(n) = -8n + 23
f(n) = 8n + 7
f(n) = -8n + 15
f(n) = 6n + 9
Tags
CCSS.HSF.BF.A.2
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