Lines of Fit

Lines of Fit

8th Grade

15 Qs

quiz-placeholder

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Lines of Fit

Lines of Fit

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.B.5, HSF.IF.B.4, 8.F.A.3

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the line of best fit?

y = 5/3x + 375

y = 1/3x + 475

y = 5/3x + 3

y = 1/3x + 375

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of association does this graph have?

positive

negative

none

all of the above

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Media Image

Use the line of best fit to approximate rate of change relative to the scatter plot above.

7/5

5/7

-7/5

-5/7

Tags

CCSS.HSF.IF.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Yes

No

Tags

CCSS.8.EE.B.5

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