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Parametric Equations

Parametric Equations

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Author: Laura Speer
Description:

Learning goals:

  • Discover the difference between rectangular equations and parametric equations.
  • Graph the position of a moving object over time.
  • Determine when an object reaches the ground.

Explore parametric equations.

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Tutorial

Rectangular equations such as y equals open parentheses x plus 2 close parentheses squared show the path of an object,

but a parametric equation such as x equals t minus 2
y equals t squared shows the path of the object and when it occurred.

 

Watch the following Khan Academy videos that show how parametric equations are used.