Scatter Plots and Equations of Lines of Best Fit
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following would be the most accurate equation for the scatter plot?
y = -2x - 7
y = -x + 7
y = 4x + 7
y = 25x + 7
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 = -1.5x + 20
y = -0.5x + 19
y = x + 20
y = .7x + 15
3.
MULTIPLE CHOICE QUESTION
1 min • 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
y = -(5/8) x + 170
y = (5/8) x + 170
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed. What is the equation of the line of best fit?
y = (3/2) x
y = 30x
y = 30x + 300
y = (3/2)x + 300
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graph below shows the value of a computer given the age of the computer. Which equation would best fit the data?
y = -250x + 2000
y = 250x + 2000
y = -250x - 2000
y = 2000x -250
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit? Read the units carefully on this one!
y = 750 x + 9500
y = - 750 x +11000
y = (3/4) x + 11
y = - (3/4) x + 11000
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mrs. Moises, the school counselor, keeps a candy jar in her office for students. During one week, she kept count of how many students came to visit her and the number of candies in the jar, as show in the scatter plot. Based on the trend line, what is the best prediction for the number of candies in the jar when 15 students visit her?
120
180
210
270
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
Already have an account?
