document.write( "Question 647550: Give the equation of the line perpendicular to the graph of y = -9x + 6 that has an x-intercept of -1. \r
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Algebra.Com's Answer #406288 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Slope: -9\r
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\n" ); document.write( "\n" ); document.write( "Perpendicular slope: (-9)/1 ---> -(-1/9) = 1/9\r
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\n" ); document.write( "\n" ); document.write( "So m = 1/9\r
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\n" ); document.write( "\n" ); document.write( "The x-intercept is -1, so (-1,0) is a point on the line. So x = -1 and y = 0\r
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\n" ); document.write( "\n" ); document.write( "y = mx+b\r
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\n" ); document.write( "\n" ); document.write( "y = (1/9)x+b\r
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\n" ); document.write( "\n" ); document.write( "0 = (1/9)(-1)+b\r
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\n" ); document.write( "\n" ); document.write( "0 = -1/9+b\r
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\n" ); document.write( "\n" ); document.write( "0 + 1/9 = b\r
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\n" ); document.write( "\n" ); document.write( "1/9 = b\r
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\n" ); document.write( "\n" ); document.write( "b = 1/9\r
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\n" ); document.write( "\n" ); document.write( "So the equation of the line is \r
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