C4: Parametric Equations

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CharlottePower96
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Notes on Parametric Equations as used for Edexcel Mathematics C4.

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C4: Parametric Equations
  1. A parametric equation is written in the form x=4t+2, y=t-6. Working out x and y with the same value of t.
    1. In order to change a parametric equation into a carteasian equation (in format: y=mx+c in a sense) you have to make t the subject in the x equation and then substitute it into the y equation.
      1. When finding the point of intersection between a parametric equation and a carteasian equation you need to replace the x and y in the carteasian equation with the corresponding parametric equation.
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