Precalc0101to0102-page32

Precalc0101to0102-page32 - (Section 1.2: Graphs of...

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(Section 1.2: Graphs of Functions) 1.2.12 Method 2: Quadratic Formula We need to solve: 3 t 2 ± t ± 4 = 0 t ² 3 () . For the Quadratic Formula, a = 3 , b = ± 1 , and c = ± 4 . WARNING 8 : It helps to identify what a , b , and c are. Sign mistakes are common. Apply the Quadratic Formula. t = ± b ± b 2 ± 4 ac 2 a = ±± 1 ± ± 1 2 ± 43 ± 4 23 = 1 ± + 48 6
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This document was uploaded on 12/29/2011.

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