Geometric Sequences
Flashcard
•
Mathematics
•
12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a geometric sequence?
Back
A geometric sequence is a sequence of numbers where each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio.
2.
FLASHCARD QUESTION
Front
What is the common ratio (r) in a geometric sequence?
Back
The common ratio (r) is the factor by which we multiply each term to get the next term in a geometric sequence.
3.
FLASHCARD QUESTION
Front
Find the first four terms of the sequence given the rule: a(0)= 10; a(n) = 3 a(n-1)
Back
10, 30, 90, 270
4.
FLASHCARD QUESTION
Front
Write the explicit formula for the geometric sequence: 3, -12, 48, -192, ...
Back
a(n) = 3(-4)^n
5.
FLASHCARD QUESTION
Front
Find the next three terms: -4, -12, -36, -108, ...
Back
-324, -972, -2916
6.
FLASHCARD QUESTION
Front
Find the 11th term for: 64, -32, 16, -8, …
Back
0.0625
7.
FLASHCARD QUESTION
Front
What does r represent in the explicit formula for a geometric sequence?
Back
Common Ratio
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