
Math 1R Quiz 6
Quiz
•
Mathematics
•
9th Grade
•
Medium
+4
Standards-aligned

Kasaundra Jang
Used 18+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The amount of ants in a colony, f, that is decaying can be modeled by f(x) = 800(.87)x, where x is the number of days since the decay started. By what percentage is the colony decaying?
Tags
CCSS.HSF-IF.C.8B
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The expression 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?
Tags
CCSS.HSF-IF.C.8B
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the initial value for the function: f(x) = 300(1.16)x?
300
1.16
.16
x
Tags
CCSS.HSF.IF.A.2
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.
Tags
CCSS.HSF.LE.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?
Tags
CCSS.HSF-LE.A.1C
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6
Tags
CCSS.HSF-IF.C.8B
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.
Tags
CCSS.6.EE.A.1
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?
Tags
CCSS.7.RP.A.3
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