document.write( "Question 538072: determine the slope of the line tht passes through each pair
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Algebra.Com's Answer #353093 by oberobic(2304) $\"\"$ $\"About$

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y = mx + b is the slope-intercept form.
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\n" ); document.write( "m = change in y / change in x
\n" ); document.write( "m = (1-9) / (2-8)
\n" ); document.write( "m = -8 /-6
\n" ); document.write( "m = 8/6
\n" ); document.write( "m = 4/3
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\n" ); document.write( "y = 4/3x + b
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\n" ); document.write( "Use one of the points to find 'b'.
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\n" ); document.write( "1 = 4/3(2) + b
\n" ); document.write( "1 = 8/3 + b
\n" ); document.write( "1 -8/3 = b
\n" ); document.write( "3/3 -8/3 = -5/3 = b
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\n" ); document.write( "y = 4/3*x -5/3
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