
A1.6 Practice Test on Lessons 1-9: Exponential Growth & Decay
Authored by Itzel Carranza-Hegner
Mathematics
9th Grade
Used 3+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the pattern linear, exponential, or something else?
Something Else
Linear
Exponential
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the pattern linear, exponential or something else?
Linear
Exponential
Something Else
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the pattern linear, exponential, or something else?
Linear
Exponential
Something Else
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Select all the exponential relationships.
y=5+10x
y=5(10)x
Ameer invests $500 into an account that earns $20 interest per year.
Sam's followers on her social media are doubling each week.
Portia invests $500 into an account that earns 2% annual interest.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function shows a decrease of 25%, when x increases by 1?
y=0.25x
y=1.25x
y=0.75x
y=25x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function shows an increase of 25%, when x increases by 1?
y=0.25x
y=1.25x
y=0.75x
y=25x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Initially, a piece of bread has 3 square millimeters of mold. The mold grows by 40% each day.
How much mold will be on the bread after 5 days?
11.525 sq mm
16.135 sq mm
1.2 sq mm
3.65 sq mm
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