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TEKS.MATH.8.5D

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Mathematics

8th Grade

TEKS covered

TEKS.MATH.8.5D
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Estimate the value of r:

0.03
-1
0.79
- 0.72

Tags

TEKS.MATH.8.5D

2.

MULTIPLE CHOICE QUESTION

5 mins • 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 140 pages. 

12 chapters
19 chapters
14 chapters
21 chapters

Tags

TEKS.MATH.8.5D

3.

MULTIPLE CHOICE QUESTION

15 mins • 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

TEKS.MATH.8.5D

4.

MULTIPLE CHOICE QUESTION

2 mins • 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

Tags

TEKS.MATH.8.5D

5.

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 line of best fit to predict how many pages would be in a book with 6 chapters.

100 pages

170 pages

60 pages

20 pages

Tags

TEKS.MATH.8.5D

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

y = 61.93x - 1.79
y = -1.79x + 61.93
y = 0.016x + 0.03
y = 0.03x + 0.016

Tags

TEKS.MATH.8.5D

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which graph shows an accurate trend line for the scatter plot?

Graph A

Graph B

Graph C

Graph D

Tags

TEKS.MATH.8.5D

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