Domain and Range

Directions: Create 3 lines that have the same domain. Then, create 3 more lines that have the same range.


How can we use the x or y axis to help?


There are infinite answers, but any non-vertical lines would have the same domain. Any non-horizontal lines would have the same range.

Source: Dane Ehlert

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One comment

  1. How about this take:

    “Create the equations of three line segments that all share one endpoint, but all have a unique second endpoint. Identify the domain, range, and all of the endpoints.”

    An extension: Groups swap their end points, and see if they can determine the three equations and the domain and range.

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