Nikhil Y.

asked • 06/14/18# If the points (p+1,p), (p, p+1) and (p-1,p-2) are the collinear then find the value of p?

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## 1 Expert Answer

Andrew M. answered • 06/14/18

Tutor

New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

As Darrell K said, these are not collinear points. If they were then the slope between any

two points would be the same.

Slope between (p+1,p), (p, p+1) = slope between (p, p+1), (p-1,p-2)

(p+1-p)/[p-(p+1)] = [(p-2)-(p+1)]/(p-1-p)

1/-1 = -3/-1

-1 = 3

Since we do not arrive at a true statement, then the slopes are not equal;

thus, these points are not collinear.

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Darrell K.

06/14/18