Check-in: Estimating Values from Graphs

This means to predict a value inside the known values on a graph.

• trend line
• interpolation
• extrapolation
• causation

This means to predict a value outside the known values on a graph.

• trend line
• interpolation
• extrapolation
• causation

What is the approximate maximum heart rate of an 80 year old person?

• 40 beats per minute

• 45 beats per minute

• 50 beats per minute

• 80 beats per minute

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

A student used the graph to determine that the volume of a sample should be 300 mL when the mass is 300 g. Was this point determined by extrapolation or interpolation?

• extrapolation

• interpolation

A student used the graph below to determine that the maximum heart rate of a person should be 45 beats per minute when a person is 80 years old. Was this point determined by extrapolation or interpolation?

• extrapolation

• interpolation

What is the approximate volume of 300 g according to the graph above?

• 200 mL

• 250 mL

• 300 mL

• 350 mL

Estimate the value of x when y=3

• 0

• -1

• -2

• -3

Estimate the value of y when x=-1

• -2

• -3

• -4

• - 0.5