
Geometric Sequences and Powers
Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard
Standards-aligned
Lucas Foster
FREE Resource
Standards-aligned
Read more
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to define the geometric sequence in the video?
a_n = 3 * (-1/4)^(n-1)
a_n = 3 * (1/4)^n
a_n = 3 * (1/4)^(n-1)
a_n = 3 * (-1/4)^n
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the fifth term of the sequence?
Divide 3 by 5
Add 5 to the formula
Substitute 5 for n in the formula
Multiply 3 by -1/4
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What power is used in the calculation of the fifth term?
Second power
Fifth power
Third power
Fourth power
Tags
CCSS.6.EE.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the result of the fifth term calculation become positive?
Because the base is positive
Because the exponent is odd
Because the exponent is even
Because the base is zero
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final value of the fifth term in the sequence?
3/64
3/128
3/256
3/512
Tags
CCSS.5.NBT.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of raising a negative number to an even power?
It results in a positive number
It results in zero
It results in an undefined number
It results in a negative number
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the base number used in the power calculation for the fifth term?
1/2
1/3
1/4
1/5
Tags
CCSS.HSF.BF.A.2
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