Question 106059
Find the value of k so that the line through the given points has slope m. 
(k+1, 3+2k), (k-1, 1-k); m=k 
I've got to m=[(1-k)-(3+2k))]/[(k-1)-(k+1)]
m = [-2-3k]/[-2]
m = (2+3k)/2
Cheers,
Stan H.