document.write( "Question 1047687: Find the equation of the line passing through the points left parenthesis 2 comma 6 right parenthesis
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\n" ); document.write( "and left parenthesis negative 1 comma 9 right parenthesis
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\n" ); document.write( " Write the equation in​ point-slope form.
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Algebra.Com's Answer #663221 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "given points:\r
\n" ); document.write( "\n" ); document.write( "(\"2\",\"6+\")\r
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\n" ); document.write( "(\"1\",\"9+\")\r
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Solved by pluggable solver: Find the equation of line going through points
hahaWe are trying to find equation of form y=ax+b, where a is slope, and b is intercept, which passes through points (x1, y1) = (2, 6) and (x2, y2) = (1, 9).
\n" ); document.write( " Slope a is \"a+=+%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29+=+%289-6%29%2F%281-2%29+=+-3\".
\n" ); document.write( " Intercept is found from equation \"a%2Ax%5B1%5D%2Bb+=+y%5B1%5D\", or \"-3%2A2+%2Bb+=+12\". From that,
\n" ); document.write( " intercept b is \"b=y%5B1%5D-a%2Ax%5B1%5D\", or \"b=6--3%2A2+=+12\".
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\n" ); document.write( " y=(-3)x + (12)
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\n" ); document.write( " Your graph:
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