document.write( "Question 563826: Write the slope intercept equation for the line that passes through (-2,3) and is perpendicular to 2x-9y=-12 \n" ); document.write( "
Algebra.Com's Answer #365077 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2 x -9 y = -12 \n" ); document.write( "Find the slope of this line \n" ); document.write( " \n" ); document.write( "-9 y = -2 x -12 \n" ); document.write( "Divide by -9 \n" ); document.write( " y = 2/ 9 x + 1 1/3 \n" ); document.write( "Compare this equation with y=mx+b \n" ); document.write( "slope, m=2/9 \n" ); document.write( " \n" ); document.write( "The slope of a line perpendicular to the above line will be the negative reciprocal -4.5 \n" ); document.write( "m1*m2=-1 \n" ); document.write( "m= -9/2 ,point (-2,3) \n" ); document.write( "Find b by plugging the values of m & the point in \n" ); document.write( "y=mx+b \n" ); document.write( "3 = 9.00 +b \n" ); document.write( "b=-6 \n" ); document.write( "m=-9/2 \n" ); document.write( "The required equation is y=-(9/ 2)x-6 \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |