document.write( "Question 344336: Find the coordinates of the missing endpoint given that B is the midpoint of ac.c(-7,-4)b (3,5) \n" ); document.write( "

Algebra.Com's Answer #246321 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use the midpoint formula,
\n" ); document.write( " $\"x%5Bm%5D=%28x%5Ba%5D%2Bx%5Bb%5D%29%2F2\"$
\n" ); document.write( " $\"3=%28x%5Ba%5D-7%29%2F2\"$
\n" ); document.write( "Solve for $\"x%5Ba%5D\"$
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\n" ); document.write( " $\"y%5Bm%5D=%28y%5Ba%5D%2By%5Bb%5D%29%2F2\"$
\n" ); document.write( " $\"5=%28y%5Ba%5D-4%29%2F2\"$
\n" ); document.write( "Solve for $\"y%5Ba%5D\"$ \n" ); document.write( "

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