document.write( "Question 243011: Write the equation in slope-intercept form for the line through (-2, 6) and perpendicular to 2x-3y=5 \n" ); document.write( "
Algebra.Com's Answer #178029 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\"2x-3y=5\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-3y=5-2x\" Subtract \"2x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-3y=-2x%2B5\" Rearrange the terms.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-2x%2B5%29%2F%28-3%29\" Divide both sides by \"-3\" to isolate y.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28%28-2%29%2F%28-3%29%29x%2B%285%29%2F%28-3%29\" Break up the fraction.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%282%2F3%29x-5%2F3\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "We can see that the equation \"y=%282%2F3%29x-5%2F3\" has a slope \"m=2%2F3\" and a y-intercept \"b=-5%2F3\".\r
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\n" ); document.write( "\n" ); document.write( "Now to find the slope of the perpendicular line, simply flip the slope \"m=2%2F3\" to get \"m=3%2F2\". Now change the sign to get \"m=-3%2F2\". So the perpendicular slope is \"m=-3%2F2\".\r
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\n" ); document.write( "\n" ); document.write( "Now let's use the point slope formula to find the equation of the perpendicular line by plugging in the slope \"m=-3%2F2\" and the coordinates of the given point .\r
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\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\" Start with the point slope formula\r
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\n" ); document.write( "\n" ); document.write( "\"y-6=%28-3%2F2%29%28x--2%29\" Plug in \"m=-3%2F2\", \"x%5B1%5D=-2\", and \"y%5B1%5D=6\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-6=%28-3%2F2%29%28x%2B2%29\" Rewrite \"x--2\" as \"x%2B2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-6=%28-3%2F2%29x%2B%28-3%2F2%29%282%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-6=%28-3%2F2%29x-3\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-3%2F2%29x-3%2B6\" Add 6 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-3%2F2%29x%2B3\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "So the equation of the line perpendicular to \"2x-3y=5\" that goes through the point is \"y=%28-3%2F2%29x%2B3\".\r
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\n" ); document.write( "\n" ); document.write( "Here's a graph to visually verify our answer:\r
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\n" ); document.write( "\n" ); document.write( "Graph of the original equation \"y=%282%2F3%29x-5%2F3\" (red) and the perpendicular line \"y=%28-3%2F2%29x%2B3\" (green) through the point .
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