Prediction Line of Best Fit
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
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following could be a possible line of best fit for the data?
y = -5/2x + 20
y = -x + 19
y = x + 20
y = 2/3x + 15
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose a LINE OF BEST FIT passes through the points (6, 34) and (8, 50). The EQUATION of this line is . . .? (hint: find the slope and the equation in point-slope form. THEN put it into slope-intercept form)
y = 8x – 5
y = 2x
y = 2x + 7
y = 8x – 14
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the scatter plot, does the image shows a "Line of Best Fit"?
Yes
No
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the line of best fit, what is the best prediction of the mileage of a 9-year-old car?
67,500 miles
90,000 miles
135,000 miles
180,000 miles
6.
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
7.
DRAG AND DROP QUESTION
1 min • 1 pt
The graph illustrates the number of acres used for forming in Smalltown, New York, over several years.
Using a line of best fit, approximately how many acres will be used for farming in the 5th year? (a)
Tags
CCSS.8.EE.C.8B
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