document.write( "Question 322502: a triangle, STR ... s=(-4,7) t= (4,7)r=(0,1), and they're asking me to write an equation that contains the median of triangle RST from S to side RT. HELP!!!!!!!!!!!!!!!!!!!!!!!!! \n" ); document.write( "

Algebra.Com's Answer #230885 by Edwin McCravy(20086) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "A median is a line segment drawn from a vertex to the midpoint of\r\n" );
document.write( "the opposite side. \r\n" );
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document.write( "So first let's find the midpoint of the side RT, using the\r\n" );
document.write( "midpoint formula:\r\n" );
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document.write( "Let's call that point M for \"Midpoint\". So we plot M(2,4):\r\n" );
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document.write( "Now we draw the line segment SM, which is the median. I'll draw it\r\n" );
document.write( "in red:\r\n" );
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document.write( "and we want to find the equation of the line that contains that median.\r\n" );
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document.write( "That is, we want to find the equation of the line through the points \r\n" );
document.write( "S(-4,7) and M(2,4).  That's the red line:\r\n" );
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document.write( "Use the slope formula: \r\n" );
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document.write( "Use the point-slope formula:\r\n" );
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document.write( "Edwin

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