Extrapolation & Interpolation with Line Graphs


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question 1 of 3

This graph below shows the growth of an oak tree. The x axis represents days, and the y axis represents inches.

Interpolate what happens on day 3.

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1. Which of the following points is an extrapolation of the graph below?

2. From the graph below, how many data points were collected?

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About This Quiz & Worksheet

These practice assessments can help you test your understanding of what extrapolation and interpolation is and how to use each mathematical method. Practice problems explore the definitions of extrapolation and interpolation and will ask you to determine values on line graphs.

Quiz & Worksheet Goals

This quiz and worksheet will test your ability to:

  • Examine graphs to interpolate line points
  • Identify extrapolation
  • Define interpolate and extrapolate

Skills Practiced

Students will practice these comprehension skills:

  • Reading comprehension - ensure that you draw the most important information from the related mathematics lesson
  • Defining key concepts - ensure that you can accurately define main phrases, such as interpolate and extrapolate
  • Knowledge application - use your knowledge to answer questions about approximating values on line graphs

Additional Learning

You can learn more about line graphs in the lesson titled Extrapolation & Interpolation with Line Graphs. This lesson has the following objectives:

  • Define line graphs
  • Recall the definitions of interpolate and extrapolate
  • Examine examples of finding values with interpolation and extrapolation