Lines of Best Fit
Authored by Thomas Bell
Mathematics
8th Grade
CCSS covered
Used 1+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Based on the line of best fit, how many pizzas were sold if $260.00 was earned in sales?
120
160
80
40
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A researcher made the following graph showing the number of hours per day that people spend on the computer versus the number of pounds that they are overweight. Predict the number of pounds overweight someone would be if they spent 8 hours per day using a computer.
50
45
60
30
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
A group of students did an experiment to see how drinking cups of coffee right before bed affected sleep. The results are shown below in the scatter plot with a line of best fit. Use the given line of best fit to approximate the rate of change relative to the scatter plot above.
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding. What is the equation of the line of best fit?
y = 25x + 170
y = -25x + 170
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Based on the line of best fit, what is the mileage of a 9-year-old car?
67,500 miles
180,000 miles
135,000 miles
90,000 miles
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
A small theme park is trying to determine the number of guests they should expect on a weekend, based on the temperature outside. Based on the trend line, about how many guests should be expected if the temperature is around 90°F?
9,900
9
8,200
9,200
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Based on the line of best fit, how many pizzas were sold if $97.50 was earned in sales?
15
30
45
60
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