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Published byChester Randell Stevenson Modified over 9 years ago
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5.3 Solving Polynomial Equations I can solve polynomial equations by factoring
Do Now: Solve x2 – 20x + 51 = 0 3x2 – 5x – 2 = 0 Today’s Agenda Success Criteria: Do Now Lesson assignment Solve polynomials using factors Solving polynomial equations by factoring Find real roots by graphing
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Pg 297
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Factor like a Quadratic
# of terms 2 3 4 Factor by grouping Sum/ diff of Squares Sum/ diff of cubes Gcf 𝑥 4 Gcf Factor quadratic Quadratic factoring Factor like a Quadratic
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Find the real or imaginary solutions by factoring.
x = 0 3x3 + 12x2 - 3x = 12 x3 + 3x2 + 2x = 0 x4 – 10x2 = - 9 4x2 – 9 = 0 2x2 – 7x – 15 = 0
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Assignment #2 pg 301 # 11 – 29 odds (10 pts)
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