document.write( "Question 522345: What is the slope of the line containing points (3.6) and (-4, 5)?
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Algebra.Com's Answer #346836 by oberobic(2304) $\"\"$ $\"About$

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y-y₂ = m * (x-x₁)
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\n" ); document.write( "6-5 = m * (3-(-4))
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\n" ); document.write( "1 = m * 7
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\n" ); document.write( "m = 1/7
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\n" ); document.write( "y = 1/7*x + b
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\n" ); document.write( "Now use one of the points to find 'b'
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\n" ); document.write( "6 = 1/7*(3) + b
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\n" ); document.write( "multiply by 7 to eliminate fraction
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\n" ); document.write( "42 = 3 + 7b
\n" ); document.write( "39 = 7b
\n" ); document.write( "7b = 39
\n" ); document.write( "b = 39/7
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\n" ); document.write( "y = 1/7*x + 39/7
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\n" ); document.write( "or
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\n" ); document.write( "7y = x + 39
\n" ); document.write( "-x + 7y = 39
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