Exponential Equations and Geometric Sequences

Find the common ratio: -3, -9, -27, -81, ...

• r = 6

• r = -6

• r = 3

• r = -3

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 10(2)^n-1

• a_n = 2(10)^n-1

• a_n = 10(2)ⁿ

• a_n = 2(10)ⁿ

Tags

CCSS.HSF.BF.A.2

Given the rule:  a_n = 7(½)^n-1
Identify the common ratio.

• a_n

• 7

• ½

• n-1

Tags

CCSS.HSF.BF.A.2

Find the first four terms of the sequence given the rule:
a_n = 4(5)^n-1

• 20, 100, 500, 2500

• 5, 20, 80, 320

• 4, 20, 100, 500

• 4, 9, 14, 19

Tags

CCSS.HSF.BF.A.2

Does this graph show an arithmetic or a geometric sequence?

• Arithmetic

• Geometric

• Neither

• Both

What is the 7 term for the rule: 
f(n) = 3(0.8)^n-1

• 0.786

• 0.629

• 14.4

• 2.4

Tags

CCSS.HSF.BF.A.2

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

• $50

• $35

• $320

• $250

Tags

CCSS.HSF.BF.A.2

Does this function stretch or shrink?

• stretch 

• shrink

Tags

CCSS.HSF-IF.C.7E

What transformations occur to f(x)=5^x?

• translate right 3, up 2

• translate left 3, up 2

• translate left 3, down 2

• translate right 3, down 2

Tags

CCSS.HSF.BF.B.3

Write the equation that represents the table below:

• y=1/2(4)^x

• y=2(4)^x

• y=4(2)^x

• y=4(1/2)^x

Tags

CCSS.HSF.LE.A.2