3-1 - 3­1.notebook November 18, 2010 3.1 Linear...

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Unformatted text preview: 3­1.notebook November 18, 2010 3.1 Linear inequalities and absolute value Linear inequalities 3x ­ 1 < 4, 2x + 3y > 6 Polynomial inequalities x3 ­ x > 0, y < 3x2 ­ 4x + 1 Oct 9­8:18 AM Ex.1 3x ­ 4 < 10 + x Ex. 2 (8 ­ 2x)/5 > 6 Oct 9­8:22 AM 1 3­1.notebook November 18, 2010 Ex. 3 ­7x ­ 1 > 13 Ex. 4 18[ (2x + 3)/9 ] < 18[ (x ­ 1)/6 ] H.W. p. 98 class ex. 1­3, 7­9 written 1­10 Oct 9­8:26 AM Inequalities with absolute value Ex. 1 3x ­ 9 > 4 Ex. 2 2x + 5 < 7 Oct 9­8:30 AM 2 3­1.notebook November 18, 2010 Ex. 3 2x + 3 = 1 Ex.4 x ­ 2 > 3 H.W. p98 class ex. 4­6, 10­12 Written ex. 11­24 Oct 9­8:35 AM 3 ...
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