Exponential Growth, Decay, and Interest
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Riley invested $1,000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Riley earn in 15 years?
$1,584.62
$2,651.39
$2,706.86
$1,825.10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Principal: $5000
Interest Rate: 3.75%
Time: 25 years
Compounded Monthly
State the future account balance.
$12712.31
$12,749.30
$12,657.59
$12550.84
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Olivia would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years.
$15,415.94
$15,683.28
$15,927.56
$16,109.05
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given an investment of $1,500:
Which investment would have a larger balance after 5 years?
4% compounded monthly
3.9% compounded daily.
4% compounded monthly
3.9% compounded daily.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You invest $400 for 5 years at an interest rate of 4.29% each year. Which equation models this?
y=400(1 - 0.0429)5
y=400(1+.0429)5
y=400(1+ 4.29)5
y=400e0.049*5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose you deposit $3000 in a savings account that pays interest at an annual rate of 4%. If no other money is added or withdrawn from the account, how much will be in the account after 10 years?
$3122.18
$4994.50
$4440.73
$86,776.40
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?
9766
9006
9765
5433
Tags
CCSS.HSF.BF.A.2
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