document.write( "Question 998596: Find the slope of the line that passes through the pair of points(-a+3, b-9) and (a+3,-b) \n" ); document.write( "
Algebra.Com's Answer #616366 by fractalier(6550)\"\" \"About 
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m = (-b - (b-9))/((a+3)-(-a+3))=
\n" ); document.write( "m = (-2b+9)/2a
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