document.write( "Question 320361: Find the equation of the line that passes through the points (0, 0) and (–5, –4). \n" ); document.write( "

Algebra.Com's Answer #229470 by checkley77(12844) $\"\"$ $\"About$

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(0, 0) and (–5, –4).
\n" ); document.write( "Y=mX+b
\n" ); document.write( "m=slope & b=Y intercept.
\n" ); document.write( "m=(Y2-Y1)/(x2-x1)
\n" ); document.write( "m=(-4-0)/(-5-0)=-4/-5=.8 ans. for the slope.
\n" ); document.write( "-4=.8*-5+b
\n" ); document.write( "-4=-4+b
\n" ); document.write( "b=4-4
\n" ); document.write( "b=0 ans. for the Y intercept.
\n" ); document.write( "Y=.8X
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+.8x%29+\"$ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = .8x).
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