graphing-lines-using-an-xy-chart-mathhelpcom

For a complete lesson on graphing lines using an x/y chart, go to http://www.MathHelp.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to graph a given linear equation using a chart. For example, to graph the equation y = x - 4, pick three values for x, such as -1, 0, and 1, and substitute these values into the equation to find the corresponding values of y. Next, plot the resulting points on a coordinate system and graph the line that passes through them. To graph the equation 3x + 5y = 5, first solve for y, to get y = -3/5x + 1. Then set up a chart, pick three values of x, such as -5, 0, and 5 (multiples of 5 so that the corresponding values of y will not be fractions), find the corresponding values of y, and graph the line.

Tagged under: graphing,lines,chart,graph,line,charts,table,values,tables,algebra,linear,equation

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