document.write( "Question 1180511: Find the equation of the line which passes through point (1,1) and is perpendicular to line AB which passes through points A(1,-2) and B(5,6). \r
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Algebra.Com's Answer #810218 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
The slope of AB is 8/4 or 2
\n" ); document.write( "The slope of a perpendicular line to AB has slope which is the negative reciprocal of 2, or -1/2.
\n" ); document.write( "That line goes through point (1, 1).
\n" ); document.write( "Its equation is y-y1=m(x-x1) where m is slope and (x1, y1) point.
\n" ); document.write( "y-1=-(1/2)(x-1)
\n" ); document.write( "y=-(1/2)x+(3/2)
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\n" ); document.write( "the other line using the point slope formula is y-6=2(x-5), or y=2x-4
\n" ); document.write( "\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C2x-4%2C-%28x%2F2%29%2B1.5%29\"
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