document.write( "Question 566450: write the equation of a line perpendicular to y=4x-2 and passing through the points(4,2) \n" ); document.write( "
Algebra.Com's Answer #366209 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
1 y = 4 x -2
\n" ); document.write( "Divide by 1
\n" ); document.write( " y = 4 x + -2
\n" ); document.write( "Compare this equation with y=mx+b
\n" ); document.write( "slope m = 4
\n" ); document.write( "
\n" ); document.write( "The slope of a line perpendicular to the above line will be the negative reciprocal
\n" ); document.write( "m1*m2=-1
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "m= - 1/4 ,point ( 4 , 2 )
\n" ); document.write( "Find b by plugging the values of m & the point in
\n" ); document.write( "y=mx+b
\n" ); document.write( "2=-1 + b
\n" ); document.write( "b= 3
\n" ); document.write( "m= - 1/4
\n" ); document.write( "The required equation is y=- ( 1/ 4)x+3
\n" ); document.write( "m.ananth@hotmail.ca
\n" ); document.write( " \n" ); document.write( "
\n" );