document.write( "Question 64119: what is the slope by writing the equation in slope intercept form...7x+2y=11 I have tried this several different ways and the more I do it the more I confuse myself.\r
\n" ); document.write( "\n" ); document.write( "Thanks \n" ); document.write( "

Algebra.Com's Answer #44781 by josmiceli(19441) $\"\"$ $\"About$

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The slope-intercept formis $\"y+=+mx+%2B+b\"$
\n" ); document.write( " $\"7x+%2B+2y+=+11\"$
\n" ); document.write( "subtract 7x from both sides
\n" ); document.write( " $\"2y+=+-7x+%2B+11\"$
\n" ); document.write( "divide both sides by 2
\n" ); document.write( " $\"y+=+%28-7%2F2%29x+%2B+11%2F2\"$
\n" ); document.write( "The slope is -7/2
\n" ); document.write( "What's a good way to check the answer?
\n" ); document.write( "Try this
\n" ); document.write( " $\"7x+%2B+2y+=+11\"$
\n" ); document.write( "If x = 0
\n" ); document.write( "2y = 11
\n" ); document.write( "y = 11/2
\n" ); document.write( "the point (0,11/2) is on the line
\n" ); document.write( "If y = 0
\n" ); document.write( "7x = 11
\n" ); document.write( "x = 11/7
\n" ); document.write( "the point (11/7,0) is on the line
\n" ); document.write( "use $\"m++=+%28y%5B2%5D+-+y%5B1%5D%29+%2F+%28x%5B2%5D+-+x%5B1%5D%29\"$
\n" ); document.write( " $\"m+=+%280+-+%2811%2F2%29%29+%2F+%28%2811%2F7%29+-+0%29\"$
\n" ); document.write( " $\"m+=+%28-11%2F2%29+%2F+%2811%2F7%29\"$
\n" ); document.write( "multiply top and bottom by 7/11
\n" ); document.write( " $\"m+=+%287%2F11%29%2A%28-11%2F2%29+%2F+%28%287%2F11%29%2A%2811%2F7%29%29\"$
\n" ); document.write( " $\"m+=+-7%2F2\"$
\n" ); document.write( "checks OK \n" ); document.write( "

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