Hi Champloo11,
The question is for you to calculate the values of x-coordinate 'a' and the y -coordinate 'b' of the mid-point.
Is the question clear to you now.
Kalyan
The midpoint betweens two others is defined as the one with equal distance to both. That would mean that if , and is the midpoint between those, we have:
Since this is , the midpoint would be middleway the line connecting and .