Quadratics Notes

May 5th, 2015
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This is a PowerPoint file with notes and examples on the different methods of solving quadratic equations (factoring, quadratic formula, and graphing).

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Warm-Up (3/18/15)Unit 2: Modelingwith QuadraticFunctionsFactoring ReviewGreatest Common Factor (GCF): The highest term thatdivides exactly into two or more terms.To find the GCF:o Find the largest number that divides evenly into allof the terms.o Find the smallest exponents of the variable(s).To factor out the GCF:o Find the GCFo Write the GCF on the outside of a set ofparentheses.o Divide the original problem by the GCF to get whatgoes inside the parentheses.Example 1:Factorout the GCF.Example 2Factorout the GCF.Example 3Factorout the GCF.Example 4Factorout the GCF.Warm-Up (3/19/15)Frankis in a tree 100 feet above the ground. Heaims his bow and arrow at an angle of depression of. How far is his target from the base of the tree?Warm-Up (3/20/15)Katniss is standing on a 7 ft. cliff. She sees a deeron the other side of a stream approximately 24 feetfrom the base of the cliff. How far must her arrowtravel to hit the deer?Warm-Up (3/30/15)Factor out the GCF from each polynomial.Factoring by GroupingFactoring by grouping typically involves a 4-termpolynomial.Group the first 2 terms together and the last 2terms together such that there is additionbetween the two groups.Factor out the GCF in both the first and secondgroup. (You should get matching parentheses.)The expression inside parentheses becomes onefactor and the terms on the

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