
Exponential Sequences and Recursive Formulas

Interactive Video
•
Mathematics
•
7th - 8th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a recursive formula?
To determine the last term in a sequence
To calculate the sum of all terms
To find the next term based on the previous term
To list all terms in a sequence
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example sequence, what is the value of the first term (t sub 1)?
2
8
3
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the value of t sub 3 in the given recursive sequence?
Add 3 to t sub 2
Multiply t sub 2 by 2
Subtract 1 from t sub 2
Add 5 to t sub 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key difference between recursive and explicit formulas?
Recursive formulas require all previous terms to find the next term
Explicit formulas are always more accurate
Explicit formulas require all previous terms to find the next term
Recursive formulas are always more accurate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the explicit formula for the sequence discussed in the video?
t sub n = 2n - 1
t sub n = 2n + 1
t sub n = 3n - 1
t sub n = 3n + 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the constant multiplier in the exponential sequence example?
0.5
3
2
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the next term in an exponential sequence using a recursive formula?
Add a constant to the previous term
Multiply the previous term by a constant multiplier
Subtract a constant from the previous term
Divide the previous term by a constant
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