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2 5 approximating roots

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hisema01
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Objectives: 1. Use a graphing calculator to approximate roots of polynomial equations.
Vocab Roots - x values where a function equals zero Occur at the x-intercepts
To find on TI-nspire: 1. Graph the function 2. Menu -> Trace -> Graph Trace 3. Use L & R arrows to move cursor (zeros should pop up as you pass them)
Example 1: Solve x3 – x2 – 5x + 2 = 0 using a graphing calculator.

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2 5 approximating roots

  • 1. Objectives: 1. Use a graphing calculator to approximate roots of polynomial equations.
  • 2. Vocab Roots - x values where a function equals zero Occur at the x-intercepts
  • 3. To find on TI-nspire: 1. Graph the function 2. Menu -> Trace -> Graph Trace 3. Use L & R arrows to move cursor (zeros should pop up as you pass them)
  • 4. Example 1: Solve x3 – x2 – 5x + 2 = 0 using a graphing calculator.