document.write( "Question 379112: find the slope, if it exists, of the line containing the pair of points
\n" ); document.write( "(-10,-12) and (-17,-19)
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Algebra.Com's Answer #269229 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "Using the point-slope formula, \"m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29\"
\n" ); document.write( "(-10,-12) and (-17,-19)
\n" ); document.write( "m = -19-(-12) / -17-(-10) = -7/-7 = 1
\n" ); document.write( "m = 1
\n" ); document.write( "the standard slope-intercept form for an equation of a line y = mx + b
\n" ); document.write( "where m is the slope and b the y-intercept
\n" ); document.write( "equatin of this line
\n" ); document.write( "y = 1*x + b using ordered pair(-10,-12) to solve for b
\n" ); document.write( "-12 = -10 + b
\n" ); document.write( "-2 = b
\n" ); document.write( "y = x -2 is the equation of the line
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