sec. 1.7 completing the square sec. 1.8 the quadratic...
TRANSCRIPT
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
Vertex Form: f(x) = a(x h)2 + k
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
Solve by completing the square.
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
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Algebra II sec. 1.7 1.8 notes.notebook October 13, 2013
Square Roots