Summative/Final Exam Study Prep

Front

In the function f(x)=2x + 5, what is f(2)?

Back

f(2) = 2(2) + 5 = 9.

Front

Is the following term arithmetic or geometric? 4, 16, 64, 256

Back

Geometric because you multiply by 4 each time.

Front

What number would come next in the sequence? 1, 2, 4, 8, __

Back

16.

Front

What operation do arithmetic functions use?

Back

Addition.

Front

What is the growth factor of the following sequence? 40, 20, 10, 5, 2.5, 1.25

Back

Front

Define an arithmetic sequence.

Back

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.

Front

Define 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.

Front

What is the formula for the nth term of an arithmetic sequence?

Back

Front

What is the formula for the nth term of a geometric sequence?

Back

Front

What is the common difference in an arithmetic sequence?

Back

The common difference is the constant amount added to each term to get the next term.