document.write( "Question 1184968: P(-2,3), Q(8,-5) ... PQ = sqr164 and midpoint of PQ is sqr41;
\n" ); document.write( "Find coordinates of R (x, y) if Q is midpoint of PR. \n" ); document.write( "

Algebra.Com's Answer #815665 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " P( $\"-2\"$ , $\"3\"$ ), Q( $\"8\"$ , $\"-5\"$ ) \r
\n" ); document.write( "\n" ); document.write( " $\"PQ+=+sqr%28164%29\"$ and
\n" ); document.write( "midpoint of PQ is sqr(41)\r
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\n" ); document.write( "\n" ); document.write( "Find coordinates of \r
\n" ); document.write( "\n" ); document.write( "R( $\"x\"$ , $\"y\"$ ) if $\"Q\"$ is midpoint of $\"PR+\"$ \r
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\n" ); document.write( "\n" ); document.write( "P( $\"-2\"$ , $\"3\"$ ).......................Q( $\"8\"$ , $\"-5\"$ ) .......................R( $\"x\"$ , $\"y\"$ )\r
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\n" ); document.write( "\n" ); document.write( " $\"Q+\"$ is midpoint\r
\n" ); document.write( "\n" ); document.write( "( $\"8\"$ , $\"-5\"$ )=( $\"%28-2%2Bx%29%2F2\"$ ,( $\"3%2By%29%2F2\"$ )\r
\n" ); document.write( "\n" ); document.write( " $\"%28-2%2Bx%29%2F2=8\"$
\n" ); document.write( " $\"-2%2Bx=16\"$
\n" ); document.write( " $\"x=16%2B2\"$
\n" ); document.write( " $\"x=18\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%283%2By%29%2F2=-5\"$
\n" ); document.write( " $\"3%2By=-10\"$
\n" ); document.write( " $\"y=-10-3\"$
\n" ); document.write( " $\"y=-13\"$ \r
\n" ); document.write( "\n" ); document.write( "R ( $\"18\"$ , $\"-13\"$ ) \r
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