TEKS.MATH.8.5D

Make a prediction for a resting heart rate after 6 hours of exercise a week.

• 6
• 50
• 55
• 59

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TEKS.MATH.8.5D

TEKS.MATH.7.7A

TEKS.MATH.7.4A

TEKS.MATH.9-12.VI.C.1

TEKS.MATH.7.6C

The equation of the trend line
is  y= 1/2x +1. Use the equation to determine the amount of time it would take to bike 20 laps. 
*Look at the x and y axis first before starting the problem
   

• 38 minutes
• 11 minutes
• 41 minutes
• 10 minutes

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TEKS.MATH.8.5D

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points

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TEKS.MATH.8.5D

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

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TEKS.MATH.8.5D

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

• Yes

• No

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TEKS.MATH.8.5D

1.  Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam? 

• 65
• 92
• 70
• 76

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TEKS.MATH.8.5D

What is the equation of the line of best fit?

• y= 2x+3

• y=3x+2

• y= $\frac{1}{2}x\ +3$

• y= $-\frac{1}{2}x\ +3$

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TEKS.MATH.8.5D

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

• Yes

• No

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TEKS.MATH.8.5D

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

Tags

TEKS.MATH.8.5D

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points

Tags

TEKS.MATH.8.5D