document.write( "Question 406571: write an equation of a line that passes through the point (5,-3) and is perpendicular to the line 4x-7y=11
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document.write( " 4x -7y=11 slope 4over7 y-y1=m(x-x1)
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document.write( " 7y=4x+11
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document.write( " 7 7 7
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document.write( " y=4+11
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document.write( " 7 7 \n" );
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Algebra.Com's Answer #286835 by mananth(16946)![]() ![]() You can put this solution on YOUR website! slope is 4/7 which is right.\r \n" ); document.write( "\n" ); document.write( "The perpendicular line will have a slope which is negative reciprocal of the slope of the given line. \n" ); document.write( "Since m1*m2=-1\r \n" ); document.write( "\n" ); document.write( "so slope of the required line will be -7/4\r \n" ); document.write( "\n" ); document.write( ".. \n" ); document.write( "line passes through (5,-3) \n" ); document.write( "plug the value of slope , and the point to find b the y intercept\r \n" ); document.write( "\n" ); document.write( "-3=(-7/4)*5+b \n" ); document.write( "-3+35/4=b \n" ); document.write( "+23/4 = b\r \n" ); document.write( "\n" ); document.write( "... \n" ); document.write( "the equation will be y = (-x/4)+23/4 \n" ); document.write( " |