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Quadratic Models: Finding Maximum or Minimum

Learn how to model real-world problems using quadratic functions to determine maximum or minimum values with a step-by-step guide on a TI calculator. Input data in STAT and plot scatter plots to perform Linear, Quadratic, Cubic, Exponential, Power, or Sine regressions for accurate results.

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Quadratic Models: Finding Maximum or Minimum

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  1. 1.8 Quadratic Models Ex. 1

  2. Steps on a TI Calculator • Go to STAT and choose Edit • Put in your values for L1(x) and L2(y) • Go to STAT PLOT • Turn PLOT “on” and choose Scatter-Plot • Go to STAT and choose CALC • Choose the regression (regressions below) that you would like to draw • To graph, change your window to fit your data LinReg = Linear Regression QuadReg = Quadratic Regression CubicReg = Cubic Regression ExpReg = Exponential Regression PwrReg = Power Regression SinReg = Sine Regression

  3. 1.8 Quadratic Models

  4. Model a real-world problem with a quadratic function and use the model to find a maximum or a minimum.

  5. Model a real-world problem with a quadratic function and use the model to find a maximum or a minimum.

  6. 1.8 Quadratic Models

  7. Table

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