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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 xaxis — this means 3! = 0 In Exercises 1—4, we the graph to idemm' the
u. xmtemrpr. 0: star that there is no .timercept: Ir. yimercepr. 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 yintercept. In Exercises 30—46.
9. Put the equation in slopeinterceptform by solving for}:
b. [den tifv the slope and the yt‘ntercepr. c. Use the slope and y—imercept to graph the equation. MLSx+3y=lS 33: #5’4/45
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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.
 Spring '08
 None

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