Question 360720
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Hi,
{{{m =(y[2] - y[1])/(x[2] - x[1])}}}
a. {{{Pt[1]}}}(4,3) and {{{Pt[2]}}}(-5,0)
m = (0-3)/(-5-4) = -3/-9 = 1/3

b. {{{Pt[1]}}}(5^.5,2) and {{{Pt[2]}}}(1,2)
m = (2-5^.5)/(1-2)

c.{{{Pt[1]}}}(a,a) and {{{Pt[2]}}}(b,b)
m = (b-a)/(b-a) = 1