document.write( "Question 936685: A line with a y-intercept of -3 passes through the point (3, -2). It also passes through point (x, -9). What is the x coordinate for that point? \n" ); document.write( "

Algebra.Com's Answer #570154 by TimothyLamb(4379) $\"\"$ $\"About$

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slope = m
\n" ); document.write( "m = dy/dx
\n" ); document.write( "m = (-3+2)/(0-3)
\n" ); document.write( "m = (-1)/(-3)
\n" ); document.write( "m = 1/3
\n" ); document.write( "---
\n" ); document.write( "y + 2 = (1/3)(x - 3)
\n" ); document.write( "y = (1/3)x - 3
\n" ); document.write( "x = 3y + 9
\n" ); document.write( "---
\n" ); document.write( "y = -9
\n" ); document.write( "x = 3*(-9) + 9
\n" ); document.write( "x = -18
\n" ); document.write( "---
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