25790 1772 Careers & Education Test Preparation Mathematics Tests true Thu, 14 Aug 2008 15:29:50 -0700 /system/videos/2/90/57/02/25790.flv algebra, math, y-intercept, lines, graph, equation, table, linear, tutorial, middle, rebecca, newburn, rebeccanewburn How To Find the Y-Intercept http://www.howcast.com/videos/25790-How-To-Find-the-YIntercept http://www.howcast.com/videos/25790-How-To-Find-the-YIntercept/edit approved 279 320 240 <object width="425" height="352" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="howcastplayer"><param name="movie" value="http://www.howcast.com/flash/howcast_player.swf?file=25790"></param><param name="allowFullScreen" value="true"></param><param name="allowScriptAccess" value="always"></param><embed src="http://www.howcast.com/flash/howcast_player.swf?file=25790" type="application/x-shockwave-flash" width="425" height="352" allowFullScreen="true" allowScriptAccess="always" ></embed></object> 1 Rebecca_Newburn http://img.howcast.com/system/thumbnails/25790/135_xxlarge_maintained_aspect.jpg 2119 false false false 43855 1 13 Step http://img.howcast.com/system/thumbnails/25790/13.jpg Introduction to Finding the Y-Intercept of a Line The y-intercept (b) is the place where the line crosses the y-axis.

]]> 43856 2 50 Step http://img.howcast.com/system/thumbnails/25790/50.jpg Finding the Y-intercept Given a Graph Look at the graph and find the place where the line crosses the y-axis (vertical axis). That point is your y-intercept. If the line is parallel to the y-axis there will be no y-intercept. If the line is right on top of the y-axis, then there are an infinite number of y-intercepts.

]]> 43857 3 107 Step http://img.howcast.com/system/thumbnails/25790/107.jpg Finding the Y-Intercept Given an Equation Make sure you write the equation in the slope-intercept form, y = mx + b. The y-intercept is the b in the equation.

]]> 43858 4 158 Step http://img.howcast.com/system/thumbnails/25790/158.jpg Finding the Y-Intercept Given a Table If you are given an x-value of 0, the y-value is the y-intercept. If you are not given an x = 0 value on the table, you will have to do some algebraic manipulation to find it. You can also graph the line to see where it intersects the y-axis.

]]> 43859 5 236 Step http://img.howcast.com/system/thumbnails/25790/236.jpg Summary of Key Points Remember to first determine if you are given a graph, equation of table, then use the appropriate strategy to find the y-intercept.

]]> 1772 1391 How To Get Started With My Math Videos 226 Mon, 11 Feb 2008 00:41:33 -0800 1 videomathtutor ]]> 328 http://media.howcast.com/system/videos/5/91/13/1391.flv math, tutor, tutoring, tutorial, arithmetic, algebra, calculus, school, college, test, prep, SAT, act, AIMS, study, Tips, graphing, calculator Careers & Education Test Preparation Mathematics Tests 0 http://img.howcast.com/system/thumbnails/1391/GettingStarted_xxlarge_maintained_aspect.jpg http://www.howcast.com/videos/1391-How-To-Get-Started-With-My-Math-Videos 1772 1394 How To Find a Math Tutor 119 Mon, 11 Feb 2008 01:01:42 -0800 1 videomathtutor ]]> 94 http://media.howcast.com/system/videos/1/94/13/1394.flv math, tutor, tutoring, tutorial, arithmetic, algebra, calculus, school, college, test, prep, SAT, act, AIMS, study, Tips, graphing, calculator Careers & Education Test Preparation Mathematics Tests 0 http://img.howcast.com/system/thumbnails/1394/Get-A-Tutor_xxlarge_maintained_aspect.jpg http://www.howcast.com/videos/1394-How-To-Find-a-Math-Tutor 1772 1395 How To Better Use Your Calculator 142 Mon, 11 Feb 2008 01:07:55 -0800 1 videomathtutor ]]> 249 http://media.howcast.com/system/videos/2/95/13/1395.flv math, tutor, tutoring, tutorial, arithmetic, algebra, calculus, school, college, test, prep, SAT, act, AIMS, study, Tips, graphing, calculator Careers & Education Test Preparation Mathematics Tests 0 http://img.howcast.com/system/thumbnails/1395/CalculatorTips_xxlarge_maintained_aspect.jpg http://www.howcast.com/videos/1395-How-To-Better-Use-Your-Calculator 1772 1396 How To REALLY Use the TI-84 Graphing Calculator - 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