document.write( "Question 750229: (-5,-2),(3,-1) write and equation of the line that passes through the pair of points \n" ); document.write( "

Algebra.Com's Answer #456449 by josmiceli(19441) $\"\"$ $\"About$

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( -5, -2 ) and ( 3, -1 )
\n" ); document.write( "The slope is ( change in y ) / ( change in x )
\n" ); document.write( " $\"+m+=+%28+-1+-%28-2%29+%29+%2F+%28+3+-%28-5%29+%29+\"$
\n" ); document.write( " $\"+m+=+%28+-1+%2B+2+%29+%2F+%28+3+%2B+5+%29+\"$
\n" ); document.write( " $\"+m+=+1%2F8+\"$
\n" ); document.write( "------------
\n" ); document.write( "Use the general point-slope formula
\n" ); document.write( " $\"+%28+y+-+%28-2%29+%29+%2F+%28+x+-+%28-5%29+%29+=+1%2F8+\"$
\n" ); document.write( " $\"+%28+y+%2B+2+%29+%2F+%28+x+%2B+5+%29+=+1%2F8+\"$
\n" ); document.write( " $\"+y+%2B+2+=+%281%2F8%29%2A%28+x+%2B+5+%29+\"$
\n" ); document.write( " $\"+8y+%2B+16+=+x+%2B+5+\"$
\n" ); document.write( " $\"+8y+=+x+-+11+\"$
\n" ); document.write( " $\"+y+=+%281%2F8%29%2Ax+-+11%2F8+\"$
\n" ); document.write( "---------------------
\n" ); document.write( "check:
\n" ); document.write( "Does it go through (-5, -2) ?
\n" ); document.write( " $\"+y+=+%281%2F8%29%2Ax+-+11%2F8+\"$
\n" ); document.write( " $\"+-2+=+%281%2F8%29%2A%28-5%29+-+11%2F8+\"$
\n" ); document.write( " $\"+-16+=+-5+-+11+\"$
\n" ); document.write( " $\"+-16+=+-16+\"$
\n" ); document.write( "OK
\n" ); document.write( "and
\n" ); document.write( "Does it go through ( 3,-1 )?
\n" ); document.write( " $\"+-1+=+%281%2F8%29%2A3+-+11%2F8+\"$
\n" ); document.write( " $\"+-8+=+3+-+11+\"$
\n" ); document.write( " $\"+-8+=+-8+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

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