document.write( "Question 558794: find the equation of a line passing through the point (0,4) and perpendicular to the line y=-5x-8? \n" ); document.write( "
Algebra.Com's Answer #363184 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 1 y = -5 x -8 \n" ); document.write( "Divide by 1 \n" ); document.write( " y = -5 x + -8 \n" ); document.write( "Compare this equation with y=mx+b \n" ); document.write( "slope m = -5 \n" ); document.write( " \n" ); document.write( "The slope of a line perpendicular to the above line will be the negative reciprocal 1/5 \n" ); document.write( "m1*m2=-1 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "m= 1/5 ,point (0,4) \n" ); document.write( "Find b by plugging the values of m & the point in \n" ); document.write( "y=mx+b \n" ); document.write( "4 = 0.00 + b \n" ); document.write( "b= 4 \n" ); document.write( "m= 1/5 \n" ); document.write( "The required equation is y =( 1/ 5)x+4 \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |