
Compare Rate of Change and Initial Values
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered

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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jude observes two small plants in a garden. He records the growth of Plant 1 over several days and plots points (0,2.5), (1,4.5) (2,6.5) . He also determines that the function y = 2 + 2.5x represents the height y (in centimeters) of Plant 2 over x days. Which statement correctly compares the growth of the plants?
Plant 2 grows faster than Plant 1.
Plant 1 grows faster than Plant 2.
Plant 2 grows faster than Plant 1 at first, but Plant 1 starts to grow faster after some time.
The two plants grow at the same rate.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jude observes two small plants in a garden. He records the growth of Plant 1 over several days and plots points (0,3.5), (1,7) (2,10.5) . He also determines that the function y = 2 + 2.5x represents the height y (in centimeters) of Plant 2 over x days. Which statement correctly compares the growth of the plants?
Plant 2 grows faster than Plant 1.
Plant 1 grows faster than Plant 2.
Plant 2 grows faster than Plant 1 at first, but Plant 1 starts to grow faster after some time.
The two plants grow at the same rate.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jude observes two small plants in a garden. He records the growth of Plant 1 over several days and plots points (0,2.5), (1,5) (2,7.5) . He also determines that the function y = 2 + 2.5x represents the height y (in centimeters) of Plant 2 over x days. Which statement correctly compares the growth of the plants?
Plant 2 grows faster than Plant 1.
Plant 1 grows faster than Plant 2.
Plant 2 grows faster than Plant 1 at first, but Plant 1 starts to grow faster after some time.
The two plants grow at the same rate.
Tags
CCSS.8.F.A.2
CCSS.HSF.IF.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Car A and Car B are traveling at the same rate per minute.
Answer explanation
the rate of graph is 2/3 so what is larger? 2/3 or 5/6? can divide if needed to find out which larger
then answer choices say times greater than so that division to find out
have to turn into mixed number and reduce
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Car A and Car B are traveling at the same rate per minute.
Answer explanation
same slopes so same speed per min
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Car A and Car B are traveling at the same rate per minute.
Tags
CCSS.8.EE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Select the true statement.
This table represents a linear function since the rate of change is always 2.
This table represents a nonlinear function since the y-intercept is 12.
This table represents a nonlinear function since the rate of change is not constant.
Tags
CCSS.8.F.A.3
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