Find Nth Term Given Explicit Formula

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sequence is shown below.
32, 26, 20, 14, ...
Which explicit formula can be used to determine the nth term of the sequence?
an = -6n + 38
an = 6n + 32
an = 6n + 38
an = -6n + 32
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The sequence below shows the number of raffle tickets that Samantha sold each day during a month:
3, 7, 11, 15, ...
Which explicit formula models the number of tickets Samantha sold on day x?
t(x) = 4x - 1
t(x) = x + 4
t(x) = 4x + 3
t(x) = 3x + 4
Tags
CCSS.HSF.BF.A.2
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the 63rd term of the arithmetic sequence -1, 5, 11, ...
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solving for the nth term of geometric sequence, given that a1 = 1 and r= 2, what is the value of the 4th term?
2
8
4
16
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the explicit formula for the geometric sequence.
an = 4(3)n-1
an = 3(4)n-1
an = -4(3)n-1
an = 3(-4)n-1
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the sequence: 125, 25, 5, .... Write the rule a_n using the geometric sequence formula:
a_n = (125)(1/5)^(n-1)
a_n = 625(1/5)^(n-1)
a_n = 625(5)^(n-1)
a_n = 125 + 5n
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the explicit formula for the geometric sequence.
an = 10(2)n-1
an = 2(10)n-1
an = 10(2)n
an = 2(10)n
Tags
CCSS.HSF.BF.A.2
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