Find the Line of Best Fit

Find the Line of Best Fit

9th Grade

20 Qs

quiz-placeholder

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Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Find the equation of the line of best fit for the given data

y = 163.41x+1.49

y =- 163.41x+ 4.19

y =- 4.19x+163.41

y = 4.19x -163.41

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the equation of the line of best fit

y= -2x + 10

y= 10x+ 2

y=2x+10

y= 10

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following lines represents the line of best fit for the scatter plot?

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

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 chapters would be in a book with 180 pages. 

12 chapters

15 chapters

18 chapters

21 chapters

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the equation of the line of best fit for the given data

y=163.41x+4.19

y=-163.41x+4.19

y=-4.19x+163.41

y= 4.19x+(-163.41)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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 

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