C HAPTER 6 S ECTION 4 S OLVING P OLYNOMIAL E QUATIONS Algebra 2 Notes April 6, 2009.

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Presentation transcript:

C HAPTER 6 S ECTION 4 S OLVING P OLYNOMIAL E QUATIONS Algebra 2 Notes April 6, 2009

WARM-UPS 1. When you’re solving an equation, what are you solving for? 2. Factor the following equations:

S OLVING P OLYNOMIALS BY G RAPHING Solve the following equation: Method 1: Put everything on one side of the equation Graph Use the 2 nd CALC function to find the ZEROS of the graph Method 2 Make two separate equations Graph both equations on the same axis Use the 2 nd CALC function to find where the two equations intersect

S OLVING P OLYNOMIALS BY F ACTORING SUM OF CUBES: DIFFERENCE OF CUBES:

F ACTORING C UBIC P OLYNOMIALS Factor the following equations:

S OLVING P OLYNOMIALS BY F ACTORING Solve the following equation. Find all the complex roots.

H OMEWORK #44 Page 330 #1, 2, 10-13, 15, 16, 19