-0.5 < -0.2,
because I need more characters
Answer:

Step-by-step explanation:
Given

Opposite points:
and 
Required
Find k
First, calculate the midpoint of the opposite points.

This gives:


Open bracket

The equation
becomes:


Solve for k


Answer:
C.
Step-by-step explanation:
Thanks for using brainly!B. 0.3 would be the answer.