Lesson Graphing Linear Equations (Lines)
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<font face="Verdana"><h1 align="center">A Free Sample Lesson</h1> <h1 align="center">Graph Lines — connect the dots</h1> <b>Example: </b>Graph <img style="vertical-align: middle;" alt="" src="http://www.mathlocker.com/images/graphing_linear_1.bmp"> <table cellspacing="0" border="1" cellpadding="15" bordercolor="29527A"><tr><td width="200px"> This equation is already in slope-intercept form: <img alt="" src="http://www.mathlocker.com/images/graphing_linear_2.bmp">.<br> What luck!<br> <img style="vertical-align: middle;" alt="" src="http://www.mathlocker.com/images/graphing_linear_3.bmp"> (slope)<br> <img alt="" src="http://www.mathlocker.com/images/graphing_linear_4.bmp"> (y-intercept) </td><td style="width: 200px"> Graph the y-intercept<br><br> <img alt="" src="http://www.mathlocker.com/images/line_b.png"></td></tr></table> <table cellspacing="0" border="1" cellpadding="15" bordercolor="29527A"><tr><td style="width: 200px">Slope is <img alt="" src="http://www.mathlocker.com/images/graphing_linear_5.bmp"><br> So go up 1 and right 2.<br><br> <img alt="" src="http://www.mathlocker.com/images/line_m.png"> </td><td style="width: 200px"> Connect the dots.<br><br> <img alt="" src="http://www.mathlocker.com/images/line_final.png"> </td></tr></table> <br><p>You can use this method to graph any linear equation. It's fast, it's easy, and it works every time!</p> <h2 align="center">Courtesy of Michael Lipsky, experienced teacher and tutor. Basic Math, Algebra, Geometry, and Precalculus In-Person, Online, or by E-mail (954) 560-1646, <a href="http://www.mathlocker.com">MathLocker.com</a></h2>