Exponential Equation Word Problems
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Luke invested $250 in an account that earns 3.5% annual interest compounded continuously. No other money is deposited or withdrawn, How long will it take for the account to earn $100 interest?
3.8 yr
9.6 yr
7.1 yr
5.9 yr
Tags
CCSS.HSF.LE.A.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Anakin invested $300 in an account with interest compounded continuously. No other money was deposited or withdrawn. In 12 years the amount in the account was $500. What was the annual interest rate?
4.25%
3.15%
5.0%
2.8%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?
$344,022
$15,000
$31,500
$28,500
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
y = 15(35)x
y = 15(0.35)x
y = 15(1.35)x
y = 35(1.15)x
Tags
CCSS.HSF.LE.A.2
5.
MATH RESPONSE QUESTION
1 min • 1 pt
Eduardo currently has 500 followers on TikTok. He makes a video after the basketball game and it goes viral! Since he became internet famous, the number of followers is increasing by 25% daily. Write an exponential function that represents the relationship between x, the number of days since Eduardo posted the video and y, the total number of followers Eduardo has.
Mathematical Equivalence
ON
Tags
AI.9.9.C
6.
DRAG AND DROP QUESTION
1 min • 1 pt
A new savings account is opened with $400 and gains 3% every year. What is the exponential function?
y = (a) ( 1 (b) (c) )^x (^ means to power of x - x is the exponent)
400
+
0.03
3
0.3
0.97
4
Tags
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A new savings account is opened with $400 and gains 3% every year. What is the exponential function?
f(x)=400(1+3)x
f(x)=400(1-0.03)x
f(x)=400(1+0.03)x
f(x)=400(0.03)x
Tags
CCSS.HSF.LE.A.2
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