Question

If the points (1, 3), (2, k) and (3, 7) are collinear then find the value of k? ​

Answer 1

Answer:

K IS 4

Step-by-step explanation:

IF MCQ  it is direct
just check that the sum of x and y on first two coordinates is equal to x and y of third coordinate
so 1+2=3
3+k=7
so k=4
mark me the branliest for this formula

Answer 2

Answer:

when the given point's are collinear Then the AREA OF TRIANGLE IS 0

If you apply the points in the given formula with the area of triangle as 0

You will get the value of K