Question

If R(5, 6) is the midpoint of the line segment AB joining the points A(6, 5) and B(4, y) then y equals 

Options

• 5

• 7

• 12

• 6

Answer 1

7

Explanation:

For midpoint M = (5, 6) of A(6, 5) and B(4, y), the y‑coordinate gives `(5 + y)/2 = 6`.

So, 5 + y = 12 and y = 7.