document.write( "Question 74235: graph
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Algebra.Com's Answer #53240 by rmromero(383) $\"\"$ $\"About$

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document.write( "a) by finding the x- and y-intercept : x-3y=-6\r
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document.write( "Two points determine a line.WE need two points then.
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document.write( "The x-intercept and the y-intercept
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document.write( "To find x-intercept , y = 0. Substitute it to x-3y=-6\r
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document.write( "             x - 3(0) = -6
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document.write( "                    x = -6
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document.write( "First point is located (-6,0)\r
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document.write( "To find y -intercept, x = 0.Substitute it to x-3y=-6\r
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document.write( "              0 - 3y = -6
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document.write( "                 -3y = -6
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document.write( "                   y = 2\r
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document.write( "second point is located (0, 2)\r
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document.write( "graphing time\r
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document.write( "b)by using the slope and y-intercept : x-4y=8\r
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document.write( "Slope - intercept form is y = mx + b, where m = slope and b = y-intercept\r
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document.write( "we will rewrite the given equation to slope - intercept form\r
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document.write( "                  x - 8 = 4y
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document.write( "                  x     8
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document.write( "                 ___ - ___  = y
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document.write( "                  4     4\r
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document.write( "                  1     
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document.write( "                 ___x - 2  = y
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document.write( "                  4     \r
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document.write( "m = 1/4 and b = -2\r
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document.write( " The first point is located using b which is the y - intercept (0,-2)\r
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document.write( "Using the y -intercept, the slope help us locate the next point
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document.write( "The numerator represents the change in y and denominator the change in x\r
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document.write( "from (0,-2) we move 1 unit up (up for positive)
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document.write( " and 4 unit right (right for positive)\r
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