document.write( "Question 821391: [ write, in slope-intercept form, the equation of the line passing through the given point and perpendicular to the given line. (5,9) f(x) = (-1/7)x + 8 ] \n" ); document.write( "
Algebra.Com's Answer #494090 by mananth(16946)\"\" \"About 
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1 y = - 1/ 7 x + 8
\n" ); document.write( "Divide by 1
\n" ); document.write( " y = - 1/ 7 x + 8
\n" ); document.write( "Compare this equation with y=mx+b, m= slope & b= y intercept
\n" ); document.write( "slope m = - 1/7
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\n" ); document.write( "The slope of a line perpendicular to the above line will be the negative reciprocal 7
\n" ); document.write( "Because m1*m2 =-1
\n" ); document.write( "The slope of the required line will be 7
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\n" ); document.write( "m= 7 ,point ( 5 , 9 )
\n" ); document.write( "Find b by plugging the values of m & the point in
\n" ); document.write( "y=mx+b
\n" ); document.write( "9 = 35 + b
\n" ); document.write( "b= -26
\n" ); document.write( "m= 7
\n" ); document.write( "The required equation is y = 7 x -26
\n" ); document.write( "m.ananth@hotmail.ca
\n" ); document.write( "PARALLEL
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