document.write( "Question 1179513: The vertices of a triangle are P(-6,1), Q(-2,-5) and R(8,1). \r
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document.write( "Find the equation of the perpendicular bisector of the side QR. \r
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document.write( "Find the slope of the median of the triangle that passes through point R.
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document.write( "Find the slope of the altitude of the triangle that passes through point Q. \n" );
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Algebra.Com's Answer #809087 by mananth(16946)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The vertices of a triangle are P(-6,1), Q(-2,-5) and R(8,1). \n" ); document.write( "Find the equation of the perpendicular bisector of the side QR. \n" ); document.write( "slope formula\r \n" ); document.write( "\n" ); document.write( " (y2-y1)/(x2-x1) Q(-2,-5) and R(8,1). \n" ); document.write( "slope of QR = (1-(-5))/(8-(-2)) = 3/5\r \n" ); document.write( "\n" ); document.write( "T a perpendicular line will have a slope -5/3 (negative reciprocal)\r \n" ); document.write( "\n" ); document.write( "slope = -5/3 and passing through P (-6,-1) \n" ); document.write( "Plug value of the slope and point ( -6 , -1 ) in \n" ); document.write( "Y = m x + b \n" ); document.write( "-1.00 = 10 + b \n" ); document.write( "b= -1.00 - 10 \n" ); document.write( "b= -11 \n" ); document.write( "So the equation will be \n" ); document.write( "Y = -5/3 x -11 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Find the slope of the median of the triangle that passes through point R.\r \n" ); document.write( "\n" ); document.write( "find the mid point of (PQ) (-4,-2)\r \n" ); document.write( "\n" ); document.write( "and use slope form\r \n" ); document.write( "\n" ); document.write( "Find the slope of the altitude of the triangle that passes through point Q. \n" ); document.write( "This is done similarly \n" ); document.write( " |