document.write( "Question 530999: (4,-8) (-10,1) write the equation using only interger coefficients \n" ); document.write( "

Algebra.Com's Answer #350295 by oberobic(2304) $\"\"$ $\"About$

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(x,y) = (4,-8)
\n" ); document.write( "(x₁,y₁) = (-10,1)
\n" ); document.write( "m = (y-y₁))/(x-x₁)
\n" ); document.write( "m = (-8-1)/(4-(-10)
\n" ); document.write( "m = -9/14
\n" ); document.write( ".
\n" ); document.write( "y = -9/14x + b
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\n" ); document.write( "use the point (4,-8) to find 'b'
\n" ); document.write( ".
\n" ); document.write( "-8 = -9/14(4) + b
\n" ); document.write( "-8 = -36/14 + b
\n" ); document.write( "-8 + 36/14 = b
\n" ); document.write( "b = -112/14 + 36/14
\n" ); document.write( "b = -76/14
\n" ); document.write( ".
\n" ); document.write( "y = -9/14*x -76/14
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\n" ); document.write( "multiply by 14
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\n" ); document.write( "14y = -9x -16
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\n" ); document.write( "9x + 14y = -16
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\n" ); document.write( " $\"+graph%28500%2C500%2C-20%2C20%2C-20%2C20%2C-9%2F14%2Ax-76%2F14%29+\"$ \n" ); document.write( "

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