Arithmetic versus Geometric Algebra 1

Arithmetic sequences involve

• multiplication and division
• multiplication and addition
• addition and subtraction
• subtraction and division

What kind of sequence?

400, 200, 100, 50, 25, ...

• Arithmetic

• Geometric

What does (d) in an arithmetic sequence represent?

• Common denominator
• Common opposites
• Common domain
• Common difference

What kind of sequence?

13, 9, 5, ...

• Arithmetic

• Geometric

Geometric sequences involve

• multiplication

• multiplication and addition

• addition and subtraction

• subtraction and division

What does (r) in a geometric sequence represent?

• Common rule

• Common ratio

• Common rate

• Common rulers

Determine if the sequence is arithmetic or geometric:

10, 60, 110, 160, 210, ...

• arithmetic

• geometric

Determine if the sequence is arithmetic or geometric:

-5, 0, 5, 10, ...

• arithmetic

• geometric

Determine if the sequence is arithmetic or geometric:

3, 12, 48, 192, ...

• arithmetic

• geometric

What does every arithmetic sequence have?

• common ratio

• common difference