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9.5 Writing Quadratic equations – three forms

9.5 Writing Quadratic equations – three forms. What are the three forms a quadratic equation can be written in? Vertex Standard Factored. Yesterday, we were able to graph all three. We are also able to convert between the three equations algebraically most of the time.

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9.5 Writing Quadratic equations – three forms

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  1. 9.5 Writing Quadratic equations – three forms

  2. What are the three forms a quadratic equation can be written in? • Vertex • Standard • Factored

  3. Yesterday, we were able to graph all three. We are also able to convert between the three equations algebraically most of the time. • Converting into vertex form requires the . • Converting into factored form requires the . • Converting into standard form requires and combining like terms. • In each form the is the same! square completing x-intercepts or factoring FOIL a

  4. 1. Given the quadratic equation • a. Write the equation in standard form. • b. Write the equation in vertex form. • c. Describe the transformation.

  5. 2. Given the quadratic equation • a. Write the equation in factored form. • b. Write the equation in vertex form. • c. Describe the transformation.

  6. 3. Given the quadratic equation • a. Write the equation in standard form. • b. Write the equation in factored form. • c. Describe the transformation.

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