Arithmetic and geometric sequences and series practice
Authored by Vong Xiong
Mathematics
7th Grade
CCSS covered
Used 1+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the 12th term in the sequence 5, 7, 9, 11 ...
25
29
27
21
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the 25th term of the sequence if a1 = 5 and d = 0.5.
15
16
17
18
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which is an arithmetic sequence?
1, 3, 5, 7, 9, ...
1, 2, 4, 8, 16, 32, ...
1, 1, 2, 3, 5, 8, 13, ...
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sequence
Recursive Formula
Explicit Formula for an Arithmetic Sequence
Explicit Formula for a Geometric Sequence
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the common ratio for the sequence:
28, 14, 7, 3.5...
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write the explicit equation for the nth term of the geometric sequence 45, 90, 180, 360,...
an= ____________
Simplify the expression.
an = 2(45)n
an = 2(45)n-1
an = 45(2)n
an = 45(2)n-1
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write the explicit equation for the nth term of the arithmetic sequence
-8, -5.5, -3, ...
an = ___________________
Simplify the expression.
2.5n - 10.5
-8 - 2.5n
-3 - 2.5n
-8 -3n
Tags
CCSS.HSF.BF.A.2
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