Question

if the point (-1, 3 ) ,(2,4) and(k,-2 ) are collinear find k​

Answer 1

Step-by-step explanation:

product of (-1,3) (2,4)

-2-4+6+12=12-------(I)

product of (2,4) (k,-2)

2k-4+4k-8=6k-12------(ii)

from i and ii

12=6k-12

24=6k

4=k

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