Solving Quadratic Equations

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Solving Quadratic Equations Using Square Roots & Completing the Square

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Presentation transcript:

Solving Quadratic Equations Solve by completing the square Solve by factoring Re-write the equation so all the variables are on the left and the constant is on the right. + - 2 8 (2) Form a perfect square trinomial by adding to both sides Holy schnikies, it’s the same answer! (3) Factor left side & write the left side as a square. (4) Take the square root of both sides. (5) Solve for x. I’d like to see that again. or

Solving Quadratic Equations by Completing the Square Re-write the equation so all the variables are on the left and the constant is on the right. (2) Form a perfect square trinomial by adding to both sides (3) Factor left side & write the left side as a square. (4) Take the square root of both sides. (5) Solve for x. or or

Solving Unfactorable Equations by Completing the Square Re-write the equation so all the variables are on the left and the constant is on the right. (2) Form a perfect square trinomial by adding to both sides (3) Factor left side & write the left side as a square. (4) Take the square root of both sides. (5) Solve for x.

Homework Page 579: 13 - 18 All Questions