document.write( "Question 1110566: Find the magnitude and direction of CD for the given coordinates. Round to the nearest tenth. C(−4, 1), D(−7, 3) \n" ); document.write( "

Algebra.Com's Answer #725688 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
For magnitude, use the distance formula,
\n" ); document.write( " $\"D%5E2=%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2\"$
\n" ); document.write( " $\"D%5E2=%283-1%29%5E2%2B%28-7-%28-4%29%29%5E2\"$
\n" ); document.write( "Solve for $\"D\"$ .
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "For the direction, use the slope,
\n" ); document.write( " $\"tan%28theta%29=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"$
\n" ); document.write( " $\"tan%28theta%29=%283-1%29%2F%28-7-%28-3%29%29\"$
\n" ); document.write( "Solve for $\"theta\"$ . \n" ); document.write( "

\n" );