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6.4 Remediation

Authored by Tiffany Coleman

Education

9th Grade

6.4 Remediation
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7 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Select all of the following that are geometric sequences

2, 4, 8, 16, ...

5, 10, 15, 20, ...

625, 125, 25, 5, ...

0.5, 1, 1.5, 2, ...

2.

MATCH QUESTION

2 mins • 1 pt

Match each geometric sequence with its explicit or recursive formulas. 

an = 2 (an-1); a1= 2

2,4,8,16,…

an=3(2)n-1

3,6,12,24,…

an=1/3(an-1); a1=81

81,27,9,3,…

an=625(1/5)n-1

625,125,25,5,…

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Choose the correct explicit formula to model the geometric sequence in the table. 

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A population of bacteria is tripling every hour.  If the population size is 1000 bacteria after the 1st hour, which recursive formula models the function?

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A population of bacteria is tripling every hour.  If the population size is 1000 bacteria after the 1st hour, which explicit formula models the function?

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A population of bacteria is tripling every hour.  If the population size is 1000 bacteria after the 1st hour, how many will there be after 8 hours?

1500000
3000000
2187000
1000000

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