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
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Vertex Form: f(x) = a(x h)2 + k
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Solve by completing the square.
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Algebra II sec. 1.7 1.8 notes.notebook October 14, 2015
Square Roots