
Writing Exponential Functions
Quiz
•
Mathematics
•
9th Grade
•
Medium
+7
Standards-aligned
Megan Dulude
Used 3+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A tennis tournament begins with 128 players. At the end of round one, there will be 64 players. There are 32 players at the end of round 2 and 16 players remaining after round 3. Write the equation that best models this situation.
y = -64x + 128
y = 0.5x + 128
y = 128(0.5)x
y = 128(2)x
Tags
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which equation describes the story below?
You have $5 and triple your money every day.
Tags
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The function y = 24,220 (0.85)x represents Mr. Bittle's investment in the stock exchange where x is measured in months.
Which statement is NOT true.
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the y-intercept for the function: f(x) = 800(0.85)x?
800
0.85
0.15
x
Tags
CCSS.HSF-IF.C.7E
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the scale factor for the function: f(x) = 800(0.85)x?
800
0.85
0.15
x
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A new savings account is opened with $400 and gains 3% every year. What is the exponential function? (**hint: simplify what is in the parentheses to see which matches your scale factor!)
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
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A new savings account is opened with $400 and gains 3% every year. Assuming there are no withdrawals or deposits, what is the amount in the account after 5 years?
$415
$463.71
$343.49
$460.12
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