Geometric Sequences

• n

• term number

• a₁ or f(1)

• first term

• r

• wanted term

• a_n or f(n)

• common ratio

What is the common ration of 9,-36, and144

• -47
• 4
• -4
• 27

Tags

CCSS.HSF.BF.A.2

The next term of sequence 2,4,8,16 is

• 64
• 108
• 32
• 20

Tags

CCSS.HSF.BF.A.2

The common ratio for this sequence is

1, 4, 16, 64, ...

• r = 4

• r = 1/4

• r = 2

• r = 1

Find the common ratio : 45, 15, 5, ..

• r = 3

• r = 1/3

• r = 5

• r = 1/5

• -3
• -2
• -48
• 2
• 3
• 24
• -24

• 2

• 8

• 32

• 4

What is this graph an example of?

• Linear

• Exponential GROWTH

• Exponential DECAY

What is this graph an example of?

• Linear

• Exponential GROWTH

• Exponential DECAY

Find the common ratio.

r = __