Line of Best Fit Predictions

Line of Best Fit Predictions

8th Grade

20 Qs

quiz-placeholder

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Line of Best Fit Predictions

Line of Best Fit Predictions

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.B.5, 8.EE.C.8C, HSF.LE.B.5

+3

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is a line of best fit used for?

To make predictions

To make the graph look pretty

To connect the points

To make it look like you know what you are doing

2.

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

Tags

CCSS.8.EE.C.8C

3.

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

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Which scatter plot shows a linear relationship between x and y?

Graph A

Graph B

Graph C

Graph D

Tags

CCSS.8.F.A.3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

y = 1.45x + 22
y = -2x + 15
y = 1.33x + 30
y = -1.5x + 24

Tags

CCSS.8.EE.C.8C

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is this line an accurate line estimate of best fit for the data?

Yes

No

Tags

CCSS.8.EE.B.5

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