1.

Mode isIf points (1, 2), (-5, 6) and (a, -2) are collinear, then a =

Answer»

ANSWER:

-1

Step-by-step EXPLANATION:

As these are colinear

;1(6-(-2)) + (-5)(-2+2) + a(2+6)=0

That GIVES us

a=-1



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