
Scatterplot Equations
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y= -8/7x +1
y= 7/8x+1
y= 8x+1
y= 8/7x+1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
the slope is -5/7, what does that mean?
gain 5 hour of sleep for 7 cups of coffee
lose 5 hours of sleep for 7 cups of coffee
lose 7 cups of coffee for 5 hours of sleep
lose 5 cups of coffee for 7 hours of sleep
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.
y = 3/2x + 12
y = 12x + 1.5
y = 2/3x - 8
y = -8x + 0.67
y = 2/3x + 12
Tags
Statistics
Line of Best Fit
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A researcher gathered data to predict the number of new types of plants (y) that will be in a state park after x years. After making a scatter plot of the data, she determined the equation of a line of best fit to be
y = 0.25x + 8
Based on the equation, what is the number of new types of plants that will be in the park after 24 years?
8
14
32
64
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tracy and her family moved to the city in 2003. Use the equation to predict how many retail stores there were in 2003.
173
155
143
36
Tags
CCSS.HSF.LE.B.5
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