Identify Lines of Best Fit
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit?
y = -25x + 170
y = -5/8x + 170
y = 25x + 170
y = 5/8x + 170
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.
150 pages
170 pages
190 pages
210 pages
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The equation of the trend line
is y= 1/2x +1. What does the x variable represent?
The number of laps
The amount of time in hours
The amount of time in minutes
How long it takes to go 0 laps
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The equation of the trend line
is y= 1/2x +1
How many laps can a bicycle
make around the park in
23 minutes?
44 laps
12 1/2 laps
23 laps
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of association does this graph have?
positive
negative
none
all of the above
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following lines represents the line of best fit for the scatter plot?
A
B
C
D
Tags
CCSS.8.EE.B.5
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