Question

If points (1, 2),(-1,x) and (2, 3) are collinear, then x will be:
(a) 2
(b) o
(c)-1
(d) 1​

Answer 1

Answer:

0

Step-by-step explanation:

when the line containing (1,2) and (2,3) is extended downwards it reaches (-1,0).

therefore, x=0