Evaluating Exponential Equations

Quiz
•
Mathematics
•
9th - 10th Grade
•
Medium
+9
Standards-aligned
Barrett Bradshaw
Used 194+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
y = 6(0.14)x
y = 6(1 + 14)x
y = 6(1.14)x
y = 6(0.86)x
Tags
CCSS.HSA.CED.A.1
CCSS.HSF.BF.A.1
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
CCSS.HSF.LE.B.5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You bought a Boston Whaler in 2004 for $12,500. The boat's value depreciates by 7% a year. How much is the boat worth in 2012?
$11,625
$6994.77
$21,477
$875
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tags
CCSS.HSF.LE.A.4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Denise has $80 in a savings account that earns 10% annual interest.
To the nearest cent, how much will she have in 3 years?
$106.48
$26.48
$8
$104
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.SSE.A.1
CCSS.HSF.BF.A.1
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
5.
MULTIPLE CHOICE QUESTION
3 mins • 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?
9,765
9,006
5,433
5,000
Tags
CCSS.HSA.SSE.A.1
CCSS.HSF.BF.A.1
CCSS.HSF.BF.A.2
CCSS.HSF.IF.A.3
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Since January 1980, the population of the city of Brownville has grown according to the mathematical model y = 720,500(1.022)x, where x is the number of years since January 1980. If the population continues to increase, what will it be in1995?
11,045,265
5,694,677
998,613
12,235
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
y = 5000(0.7)x
y = 30(5000)x
y = 5000(1.3)x
y = 5000xx
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