document.write( "Question 973834: Find an equation of the line L that passes through the point (−2, 6)and satisfies the given condition. (Let x be the independent variable and y be the dependent variable.)
\n" ); document.write( "L is perpendicular to the line 4x + 3y = 6
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Algebra.Com's Answer #595880 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+4x+%2B+3y+=+6+\"
\n" ); document.write( "\"+3y+=+-4x+%2B+6+\"
\n" ); document.write( "\"+y+=+-%284%2F3%29%2Ax+%2B+2+\"
\n" ); document.write( "--------------------
\n" ); document.write( "Any line perpendicular to this line
\n" ); document.write( "will have slope = \"+-1%2Fm+\"
\n" ); document.write( "where \"+m+=+-4%2F3+\"
\n" ); document.write( "\"+-1%2Fm+=+3%2F4+\"
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\n" ); document.write( "The required line goes through ( -2,6 )
\n" ); document.write( "Now use point-slope formula
\n" ); document.write( "\"+%28+y+-+6+%29+%2F+%28+x+-%28-2%29+%29+=+3%2F4+\"
\n" ); document.write( "\"+y+-+6+=+%283%2F4%29%2A%28+x%2B2+%29+\"
\n" ); document.write( "\"+4y+-+24+=+3x+%2B+6+\"
\n" ); document.write( "\"+4y+=+3x+%2B+30+\"
\n" ); document.write( "\"+y+=+%283%2F4%29%2Ax+%2B+15%2F2+\" answer
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\n" ); document.write( "check:
\n" ); document.write( "does it go through ( -2,6 )?
\n" ); document.write( "\"+y+=+%283%2F4%29%2Ax+%2B+15%2F2+\"
\n" ); document.write( "\"+6+=+%283%2F4%29%2A%28-2%29+%2B+15%2F2+\"
\n" ); document.write( "\"+6+=+-3%2F2+%2B+15%2F2+\"
\n" ); document.write( "\"+6+=+12%2F2+\"
\n" ); document.write( "\"+6+=+6+\"
\n" ); document.write( "OK
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\n" ); document.write( "Here are plots of the 2 lines:
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