Geometric & Arithmetic Sequences

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the common ratio of the geometric sequence below?
5, 25, 125, 625...
25
20
5
4
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the 8th term in the geometric sequence below?
19,683
6,561
2,187
729
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This is an arithmetic sequence. 5, 2, –1, –4, . . .
What is a7 ?
-13
-11
-18
-22
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the common ratio of this geometric sequence?
-5/2
-2/5
2/5
5/2
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which sequence is a geometric sequence with a common ratio of 2?
5, 3, 1, -1, ...
5, 7, 9, 11, ...
5, 10, 20, 40, ...
5, 15, 45, 135, ...
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a geometric sequence, a1 = 486 and a2 = 162. What is the explicit formula for this sequence?
an = 2(3)n-1
an = 18(3)n-1
an = 18(1/3)n-1
an = 486(1/3)n-1
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a5 for the sequence below?
an = 5 ⋅ 2(n-1)
a5 = 160
a5 = 40
a5 = 10
a5 = 80
Tags
CCSS.HSF.BF.A.2
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