document.write( "Question 1155733: Find the equation of all lines passing through the point (6, -1) for which the
\n" ); document.write( "product of their x- and y-intercepts is 3
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Algebra.Com's Answer #778368 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "lines passing through the point (\"6\", \"-1\")
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\n" ); document.write( "product of their x- and y-intercepts is \"3\"\r
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\n" ); document.write( "\n" ); document.write( "if the product of their x- and y-intercepts is \"3\", one intercept must be \"1\" and other must be \"3\"\r
\n" ); document.write( "\n" ); document.write( "let’s find out which one is \"1\" and which one is \"3\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%2Ay=3\"\r
\n" ); document.write( "\n" ); document.write( "\"x=3%2Fy\"\r
\n" ); document.write( "\n" ); document.write( "x-intercept at:(\"3%2Fy\",\"0\")
\n" ); document.write( "y-intercept at:(\"0\",\"y\") \r
\n" ); document.write( "\n" ); document.write( "then a slope of the line that passes through intercepts is:\r
\n" ); document.write( "\n" ); document.write( "\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28y%5B2%5D-y%5B1%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%28y-0%29%2F%280-3%2Fy%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=y%2F%28-3%2Fy%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=y%5E2%2F-3\"\r
\n" ); document.write( "\n" ); document.write( "plug it in equation of the line:\r
\n" ); document.write( "\n" ); document.write( "\"y=mx%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "\"y=%28y%5E2%2F-3%29x%2Bb\"......use given point to calculate \"b\"\r
\n" ); document.write( "\n" ); document.write( "\"-1=%28%28-1%29%5E2%2F-3%29%2A6%2Bb\"\r
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\n" ); document.write( "\n" ); document.write( "\"-1=%281%2F-1%29%2A2%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "\"-1=-2%2Bb\"\r
\n" ); document.write( "\n" ); document.write( "\"2-1=b\"\r
\n" ); document.write( "\n" ); document.write( "\"b=1\"-> if \"b=1\" then y-intercept is \"1\"\r
\n" ); document.write( "\n" ); document.write( "=> x-intercept must be \"3\"\r
\n" ); document.write( "\n" ); document.write( "and \"m=y%5E2%2F-3\"=>\"m=1%5E2%2F-3\"=>\"m=-1%2F3\"\r
\n" ); document.write( "\n" ); document.write( "your equation will be:\r
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\n" ); document.write( "\n" ); document.write( "\"y=-%281%2F3%29x%2B1\"\r
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