Unit 6 Lessons 6-8 Assorted Practice
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Maria Hawthorne
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8 questions
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1.
OPEN ENDED QUESTION
45 sec • Ungraded
A computer costs $800. It loses 1/4 of its value every year after it is purchased.
Write an equation that models this situation.
Evaluate responses using AI:
OFF
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(0, 4/5)
(0, 100000)
(4/5, 0)
(100000 , 0)
Tags
CCSS.HSF-IF.C.7E
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
About 10 weeks
About 4/5 weeks
100,000
About 3 weeks
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The two graphs show models of exponential decay representing the area covered by algae blooms in a lake, w weeks after different chemicals were applied.
Which algae bloom originally covered a larger area when the chemicals were applied?
red
blue
They are both the same.
There is not enough information to answer this question.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The two graphs show models of exponential decay representing the area covered by algae blooms in a lake, w weeks after different chemicals were applied.
Which algae bloom is decreasing more rapidly?
red
blue
They are both the same.
There is not enough information to answer this question.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A medicine is applied to a burn on a patient's arm. The area of the burn in square centimeters decreases exponentially and is shown in the graph.
What fraction of the burn area remains each week?
7.
OPEN ENDED QUESTION
1 min • Ungraded
A medicine is applied to a burn on a patient's arm. The area of the burn in square centimeters decreases exponentially and is shown in the graph.
Write an equation representing the area of the burn a, after t weeks.
Evaluate responses using AI:
OFF
Tags
CCSS.HSF.LE.A.2
8.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
A medicine is applied to a burn on a patient's arm. The area of the burn in square centimeters decreases exponentially and is shown in the graph.
What is the area of the burn after 7 weeks? Round to three decimal places.
Tags
CCSS.HSF.LE.A.2
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