document.write( "Question 351452: find the equation of the lines that are parallel and perpendicular to the line 7x+2y=-4 and pass through the point (6,-3) \n" ); document.write( "
Algebra.Com's Answer #251196 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 7x+2y=-4 \n" ); document.write( "2y=-7x-4 \n" ); document.write( "y=-7x/2 -2 \n" ); document.write( "slope = -7/2 \n" ); document.write( "PARALLEL LINE \n" ); document.write( "slope will be the same = -7/2 point ( 6,-3) \n" ); document.write( "find b \n" ); document.write( "y = mx +b \n" ); document.write( "-3 = -7/2 * 6 +b \n" ); document.write( "-3=-21+b \n" ); document.write( "b=18 \n" ); document.write( "the equation will be \n" ); document.write( "y = -7x/2 + 18 \n" ); document.write( "... \n" ); document.write( "PERPENDICULAR \n" ); document.write( "slope = 2/7 point = (6,-3) \n" ); document.write( "Find b \n" ); document.write( "y=mx + b \n" ); document.write( "-3 = 2/7 * 6 +b \n" ); document.write( "-3-12/7 =b \n" ); document.write( "(-21-12)/7 =b \n" ); document.write( "-33/7 = b \n" ); document.write( "y = 2x/7-33/7\r \n" ); document.write( "\n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |