sec. 1.7 completing the square page 54 #38, 39, 45, 49, 63 ... · pdf filehit is given by this...
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Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Tonight's Homework:Sec. 1.7 Completing the Square
Page 54 #38, 39, 45, 49, 63
Sec. 1.8 The Quadratic FormulaPage 62 #21, 43, 47, 68, 70
Completing the Square is a process that allows you to write an expression of the form
x2 + bx as the square of a binomial.
Take the square root of both sides
x2 6x + 13 = 0x2 6x = 13x2 6x + 9 = 13 + 9(x 3)2 = 4√(x 3)2 = √-4x-3=±2ix=3±2i