document.write( "Question 831152: Determine the equation of the line that passes through point A(-1, 7) that is perpendicular to
\n" ); document.write( "the line 3x - y - 2 = 0 . Express your answer in standard form.
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Algebra.Com's Answer #501167 by vaibhavaggarwal29(6)\"\" \"About 
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Slope of the Given Line : y = mx + b ( where m = slope)
\n" ); document.write( "3x - y -2 = 0
\n" ); document.write( "y = 3x - 2
\n" ); document.write( "So, Slope = 3
\n" ); document.write( "Slope of the perpendicular line will be : -1/3
\n" ); document.write( "Equation of Perpendicular Line :
\n" ); document.write( "(y-7)=(-1/3)(x+1)
\n" ); document.write( "3y - 21 = -x -1
\n" ); document.write( "x + 3y = 20 Answer
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