document.write( "Question 305803: find the midpoint and the distance between the two points E(5,6,-3) and F (-2,5,-7) in the three-dimensional coordinate system.
\n" ); document.write( "graph points E and F along with the midpoint on the 3-D coordinate system. \n" ); document.write( "

Algebra.Com's Answer #218936 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Just like in 2D,
\n" ); document.write( " $\"xm=%281%2F2%29%28x1%2Bx2%29=%281%2F2%29%285-2%29=3%2F2\"$
\n" ); document.write( " $\"ym=%281%2F2%29%28y1%2By2%29=%281%2F2%29%286%2B5%29=11%2F2\"$
\n" ); document.write( " $\"zm=%281%2F2%29%28z1%2Bz2%29=%281%2F2%29%28-3-7%29=-5\"$
\n" ); document.write( "Distance formula
\n" ); document.write( " $\"D%5E2=%28x1-x2%29%5E2%2B%28y1-y2%29%5E2%2B%28z1-z2%29%5E2\"$
\n" ); document.write( " $\"D%5E2=%285-%28-2%29%29%5E2%2B%286-5%29%5E2%2B%28-3-%28-7%29%29%5E2\"$
\n" ); document.write( " $\"D%5E2=49%2B1%2B16\"$
\n" ); document.write( " $\"D%5E2=66\"$
\n" ); document.write( " $\"D=sqrt%2866%29\"$
\n" ); document.write( " \n" ); document.write( "

\n" );