2/11 Geometric Sequences

What are the next 3 terms in this sequence of terms?     3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

Tags

CCSS.HSF.BF.A.2

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

• 2
• 1/2
• -14
• -7

Tags

CCSS.HSF.BF.A.2

Find the common ratio: 64, -16, 4, -1, ...

• r = -8
• r = -1/4
• r = -4
• r = 4

Tags

CCSS.HSF.BF.A.2

Find the next three terms: 4, 12, 36, 108, ...

• 324, 972, 2916
• 972, 2916, 8748
• 405, 1215, 3645

Tags

CCSS.HSF.BF.A.2

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

Tags

CCSS.HSF.BF.A.2

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

Tags

CCSS.HSF.BF.A.2

Which EXPLICIT function describes the sequence 3, 7, 11, 15, ...?

• f(1)=3; f(n)=f(n-1)+4

• f(1)=4; f(n)=f(n-1)+3

• f(x)=3x+4

• f(x)=4x-1

Tags

CCSS.HSF.BF.A.2

If f(1)=100, f(x)=f(x-1)*(1/5), find the first 5 terms of this sequence.

• 100, 20, 4, 4/5, 4/25

• 100, 95, 90, 85, 80

• 100, 500, 2500, 12500, 62500

• 100, 105, 110, 115, 120

Tags

CCSS.HSF.IF.A.3

Write the first 5 terms represented by the equation f(x)=3x+2

• 2, 5, 8, 11, 14

• 5, 8, 11, 14, 17

• 3, 5, 7, 9, 11

• 2, 6, 18, 54,162

Tags

CCSS.HSF.BF.A.2

If f(x)= -9x+12, then f(20)=______________?

• -180

• 192

• -192

• -168

Tags

CCSS.HSF.IF.A.2