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CCSS.Math.Content.8.SP.A.2

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Mathematics

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CCSS.Math.Content.8.SP.A.2
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20 questions

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1.

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.Math.Content.8.SP.A.2

2.

MULTIPLE CHOICE QUESTION

20 sec • 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.Math.Content.8.SP.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the correlation between length of running start and distance of jump?

positive:  the further you run the further you jump
negative: the less you run the less distance of your jump
positive: the further your running start the less your distance

Tags

CCSS.Math.Content.8.SP.A.2

4.

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 pages would be in a book with 6 chapters. 

100 pages
170 pages
60 pages
20 pages

Tags

CCSS.Math.Content.8.SP.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which graph shows a line of best fit for the scatter plot?

Graph A
Graph B
Graph C
Graph D

Tags

CCSS.Math.Content.8.SP.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the equation of the line of best fit?

y = -25x + 170

y = -5/8x + 170

y = 25x + 170

y = 5/8x + 170

Tags

CCSS.Math.Content.8.SP.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The number of newly reported crime cases in a county in New York State is shown in the accompanying table, where x represents the number of years since 1994, and y represents number of new cases. Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest hundredth. Using this equation, find the projected number of new cases for 2003, rounded to the nearest whole number.

974

25,101

940

952

Tags

CCSS.Math.Content.8.SP.A.2

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