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Are (1,8), (-2,-1) and (1500, 4505) layed on the same straight line
 Dec 16, 2013
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Bjork:

Are A(1,8), B(-2,-1) and C(1500, 4505) layed on the same straight line



hi Bjork,
Find the equation of the line AB and then substitute in C. If equation is true then A, Band C must be collinear.
Can you do that,
if you get stuck, post again with what you have done.
 Dec 16, 2013

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