document.write( "Question 503509: given that M(-1,-5)is the midpoint of AB and A(-3,-7)is one endpoint, which quadrant contains point B? express your answer as a roman numeral. \n" ); document.write( "
Algebra.Com's Answer #803012 by CubeyThePenguin(3113)\"\" \"About 
You can put this solution on YOUR website!
endpoing B = (-5, -9)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "B is in quadrant III.
\n" ); document.write( "
\n" );