Warm-up Find the missing term to make the following a perfect square trinomial. Why do you think this is called Complete the Square?

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Presentation transcript:

Warm-up Find the missing term to make the following a perfect square trinomial. Why do you think this is called Complete the Square?

Objective - To solve quadratic equations by completing the square. Methods for Solving Quadratic Equations 1) Square Root Method (Doesn’t work with linear terms) 2) Graphic Method (Often difficult to tell) x=-1x=3 3) Quadratic Formula a=1 b= -2 c= -3 (Always works) 4) Factoring Method (Works when factorable) 5) Completing the Square (Always works)

Solve by completing the square. Complete the perfect square trinomial #1

Solve by completing the square. Complete the perfect square trinomial #2

Solve by completing the square. Complete the perfect square trinomial #3

Practice

Solve the problem on your own using a white board by completing the square.