120_ch_9.6_notes

120_ch_9.6_notes - Mat120 Chapter 9 - Section 6 Page 13...

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Unformatted text preview: Mat120 Chapter 9 - Section 6 Page 13 Solving Linear Equations and inequalities mm —- Where the graph crosses the x-axis — this means 3! = 0 In Exercises 1—4, we the graph to idemm' the u. x-mtemrpr. 0: star that there is no .t-imercept: Ir. y-imercepr. or state that were is no y- intercept. Ii. 1.: + y=4 hfi—Ih+.¢r¢p+ xe— 0 0“) Mat120 Chapter 9 - Section 6 Page 14 Graphing Linear Equations, Linear Functions, and Absolute Value Functions Formulas: Slope ofthe Line: m = y2 ~y1 1‘ 9;.” X2 ‘xl Rm) Equations of the Line: m=slope of the line, (x,y) any general point on the line, (xvyl) is any given point on the line a. b. Slope Intercept Form: y=mx+b General Form: Ax+By=C In Exercises 27 -38, graph each equation using the slope and y-intercept. In Exercises 30—46. 9. Put the equation in slope-interceptform by solving for}: b. [den tifv the slope and the y-t‘ntercepr. c. Use the slope and y—imercept to graph the equation. MLSx+3y=lS 33: #5’4/4-5 7 5 3 ...
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This note was uploaded on 05/05/2008 for the course MAT 120/222/10 taught by Professor None during the Spring '08 term at ASU.

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120_ch_9.6_notes - Mat120 Chapter 9 - Section 6 Page 13...

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