Line of Best Fit Slope Interpretation

What is the slope of the line of best fit?

• m = 5/2

• m = 2/5

• m = -2/5

• m = 5

Tags

CCSS.8.EE.B.5

What is the best interpretation of the slope of the line of best fit?

• For every 5 degrees the high temperature goes up, the amount of hot cocoa sold goes down by 4.

• For every 4 degrees the high temperature goes up, the amount of hot cocoa sold goes down by 5.

• For every 5 degrees the high temperature goes up, the amount of hot cocoa sold goes up by 4.

• For every 4 degrees the high temperature goes up, the amount of hot cocoa sold goes up by 5.

Tags

CCSS.HSF.LE.B.5

What is the best interpretation of the slope of the line of best fit?

• The weight of a catfish increases by 2 pounds for every 1 inch in length.

• The weight of a catfish decreases by 2 pounds for every 1 inch in length.

• The weight of a catfish increases by 1 pound for every 2 inch in length.

• The weight of a catfish decreases by 1 pound for every 2 inch in length.

Tags

CCSS.HSF.LE.B.5

A line of best fit was drawn to the plotted points in a data set below. Based on the line of best fit, for what y-value does x=4?

• y = 6

• y = 10

• y = 8

• y = 4

y = 1.45x + 22

• y = 1.45x + 22

• y = -2x + 15

• y = 1.33x + 30

• y = -1.5x + 24

Tags

CCSS.8.EE.C.8C

What does the slope mean in the context of the situation graphed?

• You burn 500 calories every 60 minutes of exercise.

• You eat 500 calories when you eat out 60 times.

• You burn 100 calories every 10 minutes of exercise.

• You should not exercise.

• A

• B

• C

• D

Tags

CCSS.HSF-LE.A.1B

A group of students did an experiment to see how drinking cups of coffee right before bed affected sleep.  The results are shown below in the scatter plot with a line of best fit.  Use the given line of best fit to approximate the rate of change relative to the scatter plot.

• (7/5) hours/cup

• (5/7) hours/cup

• - (7/5) hours/cup

• - (5/7) hours/cup

Tags

CCSS.HSF.LE.B.5

the slope is -5/7, what does that mean?

• gain 5 hour of sleep for 7 cups of coffee

• lose 5 hours of sleep for 7 cups of coffee

• lose 7 cups of coffee for 5 hours of sleep

• lose 5 cups of coffee for 7 hours of sleep

Tags

CCSS.HSF.LE.B.5

Select two points that could be used to find the slope of the line of best fit.

• (90, 1500)

• (120, 1750)

• (75, 1500)

• (105, 1500)

Tags

CCSS.8.EE.B.5