geometric and arithmetic sequences
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•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Which EXPLICIT function describes the sequence 3, 7, 11, 15, ...? Options:
f(1)=3; f(n)=f(n-1)+4
,f(1)=4; f(n)=f(n-1)+3
,f(x)=3x+4
,f(x)=4x-1
Back
f(x)=4x-1
2.
FLASHCARD QUESTION
Front
Which EXPLICIT function describes the sequence 500, 250, 125, ... ?
Options:f(1)= 500; f(n)=f(n-1)*1/2
,f(x)=1000(1/2)x
,f(x)=1000(2)x
,f(1)=500; f(n)=f(n-1)*2
Back
f(x)=1000(1/2)x
3.
FLASHCARD QUESTION
Front
Classify the sequence: {26, 22, 18, 14, ...}
Back
Arithmetic
4.
FLASHCARD QUESTION
Front
Classify the sequence: {2, 9, 7, 14, 12, 19, ... }
Options: Arithmetic, Geometric, Neither
Back
Neither
5.
FLASHCARD QUESTION
Front
What is the 38th term of this sequence?
{26, 22, 18, 14, ... }
Back
-122
6.
FLASHCARD QUESTION
Front
What is the common difference in this sequence?
{48, 32, 16, 0, ... }
Back
-16
7.
FLASHCARD QUESTION
Front
Find the 10th term of this sequence:
{96, 48, 24, 12, ... }
Back
3/16
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