document.write( "Question 251124: The equation of a line is given by y=(4/50)x-12\r
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document.write( "Find the equation of a line perpendicular to this line that passes through the point (8,15).\r
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document.write( "Find the equation of a line parallel to this line that passes through the point (1,1).\r
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document.write( "Find the equation of a line perpendicular to this line that passes through the point (6,3). \n" );
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Algebra.Com's Answer #182876 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! I'll give you some hints. \n" ); document.write( "y=(4/50)x-12 \n" ); document.write( "says the slope is 4/50=2/25 \n" ); document.write( "an equation parallel has the same slope. \n" ); document.write( "an equation perpendicular has a slope of -25/2 \n" ); document.write( "parallel y=2/25x+b \n" ); document.write( "perpendicular y=-25/2x+b \n" ); document.write( "plug in your x's and y's to find b \n" ); document.write( "then rewrite the equation with that b\r \n" ); document.write( "\n" ); document.write( "y=-25/2x+b \n" ); document.write( "(8,15) \n" ); document.write( "15=-25/2(8)+b\r \n" ); document.write( "\n" ); document.write( "y=-25/2+b \n" ); document.write( "(6,3)\r \n" ); document.write( "\n" ); document.write( "3=-(25/20*6+b\r \n" ); document.write( "\n" ); document.write( "y=2/25x+b \n" ); document.write( "(1,1) \n" ); document.write( "1=2/25(1)+b \r \n" ); document.write( "\n" ); document.write( "then rewrite the equation with that b\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |