Test Review

An geometric sequence _____ to get to the next term.

What is the growth factor.

200, 40, 8,...

• 1/2

• 3

• 5

• 1/5

What is a sequence (in math)?

• 200,40,8

• List of numbers

• pictures

The first term of the sequence is 4. Choose a growth factor and list the next 3 terms.

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OFF

An arithmetic sequence when graphed is what type of function

• Exponential

• Linear

Which sequence is geometric by looking at the recursive definition?

• f(n)=f(n-1)+2

• f(n)=f(n-1)*5

• f(n)=3*f(n-1)+2

• f(n)=3+f(n-1)

What formula do we use for writing a nth definition for a geometric sequence?

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A sequence is defined by f(0)=-4, f(n)=f(n-1)-2 for n>=1. Write a definition for the nth term of the sequence.

• f(n)=-16+2n

• f(n)=-4-4x

• f(n)=-6-2n

• f(n)=-4-2n

Can a sequence be graphed?

• yes

• no

• A

• B

• C

• D