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Section 8.2 The Quadratic Formula

Section 8.2 The Quadratic Formula. The Quadratic Formula Solving Equations Using the QF Solving an Equivalent Equation Solving Functions and Rational Equations Problem Solving. Introducing … The Quadratic Formula !.

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Section 8.2 The Quadratic Formula

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  1. Section 8.2 The Quadratic Formula • The Quadratic Formula • Solving Equations Using the QF • Solving an Equivalent Equation • Solving Functions and Rational Equations • Problem Solving 8.2

  2. Introducing … The Quadratic Formula! • The Quadratic Formula is used to find solutions to any quadratic equation • The formula was derived using completing the square and the square root property. 8.2

  3. On your next test, Derive the Quadratic Formula! Move c to the right side Divide all terms by a Using b/a, complete the square Make common denominators Rewrite in squares format Take square root of both sides Remove radicals where possible Move b/2a to the other side Combine fractions 8.2

  4. Practice with the QF – Solve: 8.2

  5. Solving functions 8.2

  6. ImaginarySolutions 8.2

  7. Solving Equivalent Equations • Sometimes we need to simplify first 8.2

  8. What Next? Discriminants! • Present Section 8.3 • Studying QE Solutions 8.2

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