document.write( "Question 830002: Which of the following is the equation of a line perpendicular to the line
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document.write( "y=-1/3x+1 , passing through the point (2,7)?\r
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document.write( "-3x-y=1\r
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document.write( "3x-y=-1\r
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document.write( "3x-y=1\r
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document.write( "-3x+y=-1 \n" );
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Algebra.Com's Answer #500323 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Which of the following is the equation of a line perpendicular to the line \n" ); document.write( "y=-1/3x+1 , passing through the point (2,7)?\r \n" ); document.write( "\n" ); document.write( "-3x-y=1\r \n" ); document.write( "\n" ); document.write( "3x-y=-1\r \n" ); document.write( "\n" ); document.write( "3x-y=1\r \n" ); document.write( "\n" ); document.write( "-3x+y=-1 \n" ); document.write( "-------------- \n" ); document.write( "Check the slope. If it's perpendicular, the slope is +3. \n" ); document.write( "Then, sub 2 for x and 7 for y, see if it's equal. \n" ); document.write( " \n" ); document.write( " |