Answer:
Explanation:
Given:
B is at (4,3) and D is at (-2,-4).
Solution:

⇒ 
⇒
Therefore the answer is 
Within our galaxy alone there are around 500 solar systems (or so many we have discovered so far): so the statement is clearly wrong and the correct answer is b) False.
There are a lot more starts in the galaxy, but not all of them have planets around them - so not all of them have a solar system