Question

If the points (2, - k); (0, - 5) and (5/2, 0) are collinear, then value of 'k' is

Answer 1

Answer:

4

Step-by-step explanation:

slope = (5/2-0)/(0-(-5))=(5/2)/(5)=1/2

equation of line :

2y=x+2c

2*-5=2c

c=-5

2y=x-10

substituting 2 in x:

y=-8/2=-4

k=4