document.write( "Question 111712: A line passing through (–6, –5) and (–1, y) is perpendicular to a line with slope -5/13 . Find the value of y. \n" ); document.write( "
Algebra.Com's Answer #81514 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! THE SLOPE OF A LINE PERPENDICULAR TO A LINE WITH A SLOPE OF -5/13 IS 13/5. \n" ); document.write( "THEREFORE THE SLOPE OF THE LINE THROUGH (-6,-5) & (-1,Y) IS: \n" ); document.write( "(Y+5)/(-1+6)=13/5 \n" ); document.write( "(Y+5)/5=13/5 NOW CROSS MULTIPLY. \n" ); document.write( "5(Y+5)=5*13 \n" ); document.write( "Y+5=13 \n" ); document.write( "Y=13-5 \n" ); document.write( "Y=8 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "(8+5)/5=13/5 \n" ); document.write( "13/5=13/5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |