document.write( "Question 370960: Y=0.12x+0.76\r
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document.write( "0.11x-Y=0.85\r
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document.write( "1)Are these lines intersecting parellel or perpendicular?\r
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document.write( "2) Use the equation of the lines to determine if they are parellel. \n" );
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Algebra.Com's Answer #264312 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Y=0.12x+0.76\r \n" ); document.write( "\n" ); document.write( "0.11x-Y=0.85 \n" ); document.write( "re write the equation in slope intercept form \n" ); document.write( "y=0.11x-0.85 \n" ); document.write( "... \n" ); document.write( "compare the two lines. \n" ); document.write( "if the lines are parallel the slopes should be same. \n" ); document.write( "They are not so they are not parallel. \n" ); document.write( ".. \n" ); document.write( "If the lines are perpendicular then the slopes should be negative reciprocal of each other. they are not. \n" ); document.write( "so they are neither perpendicular. \n" ); document.write( ".. \n" ); document.write( "solve the two equations \n" ); document.write( ".. \n" ); document.write( "Y-0.12x=0.76 \n" ); document.write( "0.11x-Y=0.85 \n" ); document.write( "... \n" ); document.write( "add the two equations \n" ); document.write( "-0.01X=1.61 \n" ); document.write( "X=-161 \n" ); document.write( ".. \n" ); document.write( "plug value of x to get y \n" ); document.write( "Y-0.12*-161=0.76 \n" ); document.write( "Y=-18.56 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |