document.write( "Question 520104: How do you write an equation of a line using
\n" );
document.write( "Contains (5,8) and that is perpendicular to the line
\n" );
document.write( "Containing (0,-6) and (1,1) \n" );
document.write( "
Algebra.Com's Answer #345926 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x1 y1 x2 y2 \n" ); document.write( "0 -6 1 1 \n" ); document.write( " \n" ); document.write( "slope m = (y2-y1)/(x2-x1) \n" ); document.write( "( 1 - -6 )/( 1 - 0 ) \n" ); document.write( "( 7 / 1 ) \n" ); document.write( "m= 7 \r \n" ); document.write( "\n" ); document.write( "slope of line perpendicular will be negative reciprocal of 7\r \n" ); document.write( "\n" ); document.write( "-1/7\r \n" ); document.write( "\n" ); document.write( "m= - 1/ 7 \n" ); document.write( " \n" ); document.write( "Plug value of the slope and point ( 5 , 8 ) in \n" ); document.write( "Y = m x + b \n" ); document.write( "8.00 = - 5/7 + b \n" ); document.write( "b= 8 - - 5/7 \n" ); document.write( "b= 8 5/ 7 \n" ); document.write( "So the equation will be \n" ); document.write( "Y = - 1/7 x + 61/7 \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |