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Unit 9 Quiz Review

Authored by Megan Olds

Mathematics

9th Grade

30 Questions

CCSS covered

Used 13+ times

Unit 9 Quiz Review
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1.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Media Image

Which sentence describes the relationship shown on this scatter plot?

As the temperature decreases, the visitors increase.

As the temperature increases, the number of visitors increases.

As the visitors increase, the temperature decreases.

No correlation

2.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Media Image

What represents the y axis?

ABC Company
Hours Worked
Amount Earned in Dollars
Hours in Car

Tags

CCSS.8.EE.B.5

3.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Media Image

What represents the x axis?

ABC Company
Hours Worked
Amount Earned in Dollars
Hours in Car

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

5 mins • 2 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 140 pages. 

12 chapters
19 chapters
14 chapters
21 chapters

5.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Media Image

About how many male math teachers were there in 2006?

15
30
35
45

Tags

CCSS.HSF.IF.B.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 2 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

Tags

CCSS.8.EE.B.5

7.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Media Image

Estimate the correlation coefficient for this scatterplot.

r = 1.2
r = 0.89
r = 0
r = -0.89

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