document.write( "Question 548755: find the equation (in any correct form) of a straight line through (-5,2) which is perpendicular to the line whose equation is 4x+7y=9 \n" ); document.write( "
Algebra.Com's Answer #357719 by scott8148(6628)\"\" \"About 
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to find a perpendicular line; swap the x and y coefficients and change one of the signs
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\n" ); document.write( "\n" ); document.write( "7x - 4y = ? ___ 7(-5) - 4(2) = -43\r
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\n" ); document.write( "\n" ); document.write( "7x - 4y = -43
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