document.write( "Question 147056: i have a question if my multiple choice answers for my question
\n" ); document.write( "find the shortest distance between the parallel lines with equations 5x-12y+33=0 and 5x-12y-6=0 \r
\n" ); document.write( "\n" ); document.write( "A.3
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\n" ); document.write( "C.27/5
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\n" ); document.write( "E.N/a\r
\n" ); document.write( "\n" ); document.write( "how did u come up with the answer 3.25
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Algebra.Com's Answer #107382 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"5x-12y%2B33=0\" Start with the first equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-12y%2B33=0-5x\" Subtract \"5x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-12y=0-5x-33\" Subtract \"33\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-12y=-5x-33\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-5x-33%29%2F%28-12%29\" Divide both sides by \"-12\" to isolate \"y\".\r
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\n" ); document.write( "\n" ); document.write( "\"y=%285%2F12%29x%2B11%2F4\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "\"5x-12y-6=0\" Now move onto the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-12y-6=0-5x\" Subtract \"5x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-12y=0-5x%2B6\" Add \"6\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-12y=-5x%2B6\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-5x%2B6%29%2F%28-12%29\" Divide both sides by \"-12\" to isolate \"y\".\r
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\n" ); document.write( "\n" ); document.write( "\"y=%285%2F12%29x-1%2F2\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "So when we graph the two equations, we get \r
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\n" ); document.write( "\n" ); document.write( " Graph of \"y=%285%2F12%29x%2B11%2F4\" (red) and \"y=%285%2F12%29x-1%2F2\" (green)\r
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\n" ); document.write( "\n" ); document.write( "Notice how the slope of the two equations is \"m=5%2F12\". So the perpendicular slope is \"-12%2F5\". Now simply draw any perpendicular line to the equations. I'm going to graph \"y=-%2812%2F5%29x\"\r
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\n" ); document.write( "\n" ); document.write( " Graph of \"y=%285%2F12%29x%2B11%2F4\" (red) , \"y=%285%2F12%29x-1%2F2\" (green), and the perpendicular line \"y=-%2812%2F5%29x\" (blue)\r
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\n" ); document.write( "\n" ); document.write( "Now use any method to find the two intersections. I used a graphing utility to get the two intersections at the points and \r
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\n" ); document.write( "\n" ); document.write( "Now let's find the distance between the two points. This distance will be the same as the shortest distance between the two lines\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29\" Start with the distance formula.\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%28-165%2F169-30%2F169%29%5E2%2B%28396%2F169--72%2F169%29%5E2%29\" Plug in \"x%5B1%5D=-165%2F169\", \"x%5B2%5D=30%2F169\", \"y%5B1%5D=396%2F169\", and \"y%5B2%5D=-72%2F169\". These are the coordinates of the intersections.\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%28-15%2F13%29%5E2%2B%28396%2F169--72%2F169%29%5E2%29\" Subtract \"30%2F169\" from \"-165%2F169\" to get \"-15%2F13\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%28-15%2F13%29%5E2%2B%2836%2F13%29%5E2%29\" Subtract \"-72%2F169\" from \"396%2F169\" to get \"36%2F13\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28225%2F169%2B%2836%2F13%29%5E2%29\" Square \"-15%2F13\" to get \"225%2F169\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28225%2F169%2B1296%2F169%29\" Square \"36%2F13\" to get \"1296%2F169\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%289%29\" Add \"225%2F169\" to \"1296%2F169\" to get \"9\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=3\" Take the square root of \"9\" to get \"3\".\r
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\n" ); document.write( "\n" ); document.write( "So our answer is \"d=3\" \r
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\n" ); document.write( "\n" ); document.write( "So the distance between the two points is 3 units. \r
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\n" ); document.write( "\n" ); document.write( "So this means that the shortest distance between the two lines is also 3 units.\r
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\n" ); document.write( "\n" ); document.write( "So the answer choice is A)\r
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