Geometric sequence

What is an arithmetic sequence?

A sequence made by ______ the ____ value each time.

Write the next three terms in this sequence.

{1, 4, 7, ...}

Arithmetic sequences change by ADDING the SAME value each time.

Which of these sequences are arithmetic sequences?

a) {3, 6, 12, 24, ...}

b) {32, 16, 8, 4, ...}

Write the next three terms in this sequence.

{3, 6, 12, 24...}

Write the next three terms in this sequence.

{32, 16, 8, 4, ...}

Sequences that increase or decrease by MULTIPLYING the previous term by a fixed number are called _________ sequences.

This fixed number is called the common _____.

Find r, the common ratio.

{3, 9, 27, 81, ...}

Find r, the common ratio.

{-252, 126, -63, 31.5, ...}

{2, 7, 12, 17, 22, ...}