document.write( "Question 317709: In each case determine whether the lines are parallel, perpendicular, or neither\r
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document.write( "y = x + 7
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document.write( "y = -x + 2 \n" );
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Algebra.Com's Answer #227543 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Y=mX+b where m=slope & b=the Y intercept. \n" ); document.write( "y = x + 7 This equation (line) has a slope=1. \n" ); document.write( "y = -x + 2 This equation (line) has a slope=-1. \n" ); document.write( "Therefore these lines are perpendicular. \n" ); document.write( " |