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Sec 7: Finding the Max/Min of a Quadratic Equation

Homework: Max/Min worksheet. Sec 7: Finding the Max/Min of a Quadratic Equation. Learning Target: I will calculate the maximum or minimum of a quadratic equation and apply it to real-world situations. Quality Core Practice. Give exact solutions. Estimate solutions to the nearest tenth.

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Sec 7: Finding the Max/Min of a Quadratic Equation

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  1. Homework: Max/Min worksheet Sec 7: Finding the Max/Min of a Quadratic Equation Learning Target: I will calculate the maximum or minimum of a quadratic equation and apply it to real-world situations.

  2. Quality Core Practice

  3. Give exact solutions. • Estimate solutions to the nearest tenth. Solving Quadratic Equations Practice

  4. To find thex-valueof a vertex for any quadratic equation in the form , use the formula: Think About It: How could you find the y-value if you have the x-value? Max/Min Formula

  5. Find the vertex of the parabola • Is this a max or a min? • Using your graphing calculator check your answer. Ex 1: Finding a Vertex Algebraically

  6. A ball is thrown from the top of a building 80 feet tall with a velocity of 15 feet/sec modeled by the equation • How high will the ball go? • At what time will the ball reach it’s maximum height? Ex 2: Not the Real World!!!

  7. Graph • Find the x-value of the vertex. • Make a table of values with the vertex in the middle. • Find the matching y-values. • Graph Ex 3: Using a Vertex to Graph a Quadratic Function

  8. Max/Min Worksheet *Hint – be careful about determining if you want just the x-value or if you should go on to find the y-value. HOMEWORK

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