document.write( "Question 1079374: Can you help me with this assignment in analytic geometry:\r
\n" ); document.write( "\n" ); document.write( "Find the distance of the point (12,7) from the line through (5,3) and (2,-3)\r
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Algebra.Com's Answer #693681 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "The line passing through the two given points has the equation\r\n" );
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document.write( " = ,   or\r\n" );
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document.write( " = ,   or\r\n" );
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document.write( " = 2,   which is the same as\r\n" );
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document.write( "y+3 = 2*(x-2),   or\r\n" );
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document.write( "2x - y -7 = 0.\r\n" );
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document.write( "Having this equation, you can check, that your points lie in this straight line.\r\n" );
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document.write( "   (From your course of analytic geometry you must know the procedure I applied above . . . )\r\n" );
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document.write( "On what to do next, see the lesson\r\n" );
document.write( "    - The distance from a point to a straight line in a coordinate plane\r\n" );
document.write( "in this site.\r\n" );
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document.write( "You will find there everything you need to complete the solution on your own.\r\n" );
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document.write( "       OK. The last step is this formula for the distance, taken from that lesson:\r\n" );
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document.write( "             d =  =  = .\r\n" );
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook on Geometry\r
\n" ); document.write( "\n" ); document.write( " GEOMETRY - YOUR ONLINE TEXTBOOK \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "The referred lesson is the part if this textbook under the topic
\n" ); document.write( "\"The distance from a point to a straight line in a coordinate plane\".\r
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\n" ); document.write( "\n" ); document.write( "Please let me know whether this lesson was useful to you.
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