document.write( "Question 352953: please help.....\r
\n" ); document.write( "\n" ); document.write( "find an equation of a line perpendicular to y=3/2x+5 and contains the point(0,0)
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\n" ); document.write( "april
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Algebra.Com's Answer #252224 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "We can see that the equation \"y=%283%2F2%29x%2B5\" has a slope \"m=3%2F2\" and a y-intercept \"b=5\".\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=3%2F2\" to get \"m=2%2F3\". Now change the sign to get \"m=-2%2F3\". So the perpendicular slope is \"m=-2%2F3\".\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=-2%2F3\" 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-0=%28-2%2F3%29%28x-0%29\" Plug in \"m=-2%2F3\", \"x%5B1%5D=0\", and \"y%5B1%5D=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-0=%28-2%2F3%29x%2B%28-2%2F3%29%280%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-0=%28-2%2F3%29x%2B0\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-2%2F3%29x\" Simplify (ie remove unneeded zeros).\r
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\n" ); document.write( "\n" ); document.write( "So the equation of the line perpendicular to \"y=3%2F2x%2B5\" that goes through the point is \"y=%28-2%2F3%29x\".\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=%283%2F2%29x%2B5\" (red) and the perpendicular line \"y=%28-2%2F3%29x\" (green) through the point . \r
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, feel free to check out my tutoring website\r
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\n" ); document.write( "\n" ); document.write( "Jim
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