document.write( "Question 339008: I need a refresher on how to do these types of problems. You dont have to show me the exact answer just maybe an example of a similar problem.
\n" ); document.write( "1. Write an equation parallel to 3x + 6y = -12 going through (4,-2) and graph.
\n" ); document.write( "2. Write an equation going through (3,5) and graph.
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Algebra.Com's Answer #243001 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
I'll do the first one to get you started. Please only post one problem at a time. Thanks.\r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B6y=-12\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"6y=-12-3x\" Subtract \"3x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"6y=-3x-12\" Rearrange the terms.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-3x-12%29%2F%286%29\" Divide both sides by \"6\" to isolate y.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28%28-3%29%2F%286%29%29x%2B%28-12%29%2F%286%29\" Break up the fraction.\r
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\n" ); document.write( "\n" ); document.write( "\"y=-%281%2F2%29x-2\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "We can see that the equation \"y=-%281%2F2%29x-2\" has a slope \"m=-1%2F2\" and a y-intercept \"b=-2\".\r
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\n" ); document.write( "\n" ); document.write( "Since parallel lines have equal slopes, this means that we know that the slope of the unknown parallel line is \"m=-1%2F2\".\r
\n" ); document.write( "\n" ); document.write( "Now let's use the point slope formula to find the equation of the parallel line by plugging in the slope \"m=-1%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--2=%28-1%2F2%29%28x-4%29\" Plug in \"m=-1%2F2\", \"x%5B1%5D=4\", and \"y%5B1%5D=-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B2=%28-1%2F2%29%28x-4%29\" Rewrite \"y--2\" as \"y%2B2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B2=%28-1%2F2%29x%2B%28-1%2F2%29%28-4%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B2=%28-1%2F2%29x%2B2\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-1%2F2%29x%2B2-2\" Subtract 2 from both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-1%2F2%29x%2B0\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-1%2F2%29x\" Remove the trailing zero\r
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\n" ); document.write( "\n" ); document.write( "So the equation of the line parallel to \"3x%2B6y=-12\" that goes through the point is \"y=%28-1%2F2%29x\".\r
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\n" ); document.write( "\n" ); document.write( "Here's a graph to visually verify our answer:\r
\n" ); document.write( "\n" ); document.write( " Graph of the original equation \"y=-%281%2F2%29x-2\" (red) and the parallel line \"y=%28-1%2F2%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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