lesson10outline - MA 153 Lesson 10 Outline Answering of...

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MA 153 Lesson 10 Outline Answering of homework questions over lesson 9. Lesson 10 Section 2.3 Solving Quadratic Equations 2 0 ax bx c ++= Solving: (1) By factoring: If , then a =0 or b =0. 0 ab = Example: () 31 07 7 xx += Example: 53 6 2 22 x x x −−
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“Special Quadratic Formula” Example: 2 9 x = Example: (a) 16 = (b) 2 16 x x = = Example: () 2 17 x += (2) Solve by completing the square * coefficient of 2 x must equal 1 Example: (a) 2 67 xx ++= 0
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(b) 2 83 xx −−= 0 0 Would completing the square be the best method to use?
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lesson10outline - MA 153 Lesson 10 Outline Answering of...

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