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Serena wanted to examine the graphs of the equations below on her graphing calculator. Rewrite each of the equations in -form (when the equation is solved for ) so that she can enter them into the calculator.   


  • Subtract from both sides of the equation.

  • Multiply both sides by .

  • Now finish solving for by adding to both sides.


  • Multiply by .

Use the eTool below to view the graphs of the equations.
Click on the link at right for the full eTool version: 5-39 HW eTool