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Slope and Scatterplots

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Slope and Scatterplots
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20 questions

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1.

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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the slope for the trend line using points (2,2) and (4,3)

2

1/2

-2

Tags

CCSS.8.EE.B.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Graph has a slope of 1/2 and a y- intercept of 1.  Write the equation in slope - intercept form

y = 1x+1/2

y = 1/2x + 1

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The linear regression equation for the data is  y = 1.5x + 12.  Interpret the slope of the equation.

The slope is (0, 1.5).  It means that a pizza with 0 toppings will cost $1.50.

The slope is 1.5.  It means that it costs $1.50 per topping.

There are 1.5 toppings.

There are 1.5 pizzas.

Tags

CCSS.HSF.LE.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What relationship is shown in the scatter plot?

As the cost goes down, the number sold goes down.

As the cost goes up, the number sold goes down.

As the cost goes down, the number sold remains the same.

There is not relationship between cost and the number sold.

Tags

CCSS.HSF-LE.A.1B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the trend for this scatter plot

Negative

Positive

None

Tags

CCSS.HSF-LE.A.1B

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