
Exponential Functions and Compound Interest
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered

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15 questions
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1.
MATH RESPONSE QUESTION
1 min • 1 pt
Emily 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. (Round your answer to the nearest hundredth, because it is money.)
Mathematical Equivalence
ON
2.
MATH RESPONSE QUESTION
1 min • 1 pt
Emily 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. (Round your answer to the nearest hundredth, because it is money.)
Mathematical Equivalence
ON
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Matt earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually (n=1). What will be his balance after 15 year?
$827.52
$831.10
$839.45
$846.80
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An investment of $9,875 earns 4.8% interest compounded monthly over 12 years. Approximately how much INTEREST is earned on the investment?
$7,457.95
$10,359.57
$17,546.55
$484.57
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Caiden earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 15 years?
$827.52
$831.10
$839.45
$846.80
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6
Growth
Decay
Tags
CCSS.HSF-IF.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)3
Growth
Decay
Tags
CCSS.HSF-IF.C.8B
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