Unit 2 Review

Front

What does a1 represent?

Back

First term

Front

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

Back

a_n = a_1 * r^(n-1)

Front

What is the common ratio for the sequence: 28, 14, 7, 3.5...?

Back

1/2

Front

This sequence represents a(n)...

Back

Geometric Sequence

Front

What is the first term of the sequence if a1 = 2?

Back

2

Front

What is the common difference in an arithmetic sequence?

Back

The constant amount added to each term to get the next term.

Front

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

Back

a_n = a_1 + d(n-1)

Front

If the first term of a geometric sequence is 3 and the common ratio is 2, what is the 4th term?

Back

24

Front

What is the difference between an arithmetic sequence and a geometric sequence?

Back

An arithmetic sequence adds a constant difference, while a geometric sequence multiplies by a constant ratio.

Front

If a geometric sequence has a common ratio of 1/3, what is the second term if the first term is 9?

Back

3