document.write( "Question 1058469: A direct variation equation is an equation in slope-intercept form which describes a line that passes through the origin. Suppose that the points (-45,33) and (k,253) are also on the line. Write the equation of the line and give the value of k using the equation. NO DECIMALS should appear in your final answers and all fractions need to be simplified. Do not round! \n" ); document.write( "

Algebra.Com's Answer #673565 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+y+=+m%2Ax+\"$ ( m is the slope )
\n" ); document.write( "The line goes through ( 0,0 )
\n" ); document.write( "( -45, 33 )
\n" ); document.write( "--------------
\n" ); document.write( " $\"+m+=+%28+33+-+0+%29+%2F+%28+-45+-+0+%29+\"$
\n" ); document.write( " $\"+m+=+-33%2F45+\"$
\n" ); document.write( "--------------------
\n" ); document.write( " $\"+y+=+%28-11%2F15%29%2Ax+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+-11%2F15+=+%28+253+-+0+%29+%2F+%28+k+-+0+%29+\"$
\n" ); document.write( " $\"+-11%2F15+=+253%2Fk+\"$
\n" ); document.write( " $\"+-11k+=+253%2A15+\"$
\n" ); document.write( " $\"+-11k+=+3795+\"$
\n" ); document.write( " $\"+k+=+-345+\"$ \r
\n" ); document.write( "
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\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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