Answer:
(11, 12)
Explanation:
Mid point coordinates:
- x = (x₁ + x₂)/2
- y = (y₁ + y₂)/2
Since midpoint and one endpoint given (10, 4) and (9, -4), the other endpoint:
- x₂ = 2x - x₁ = 2*10 - 9 = 11
- y₂ = 2y - y₁ = 2*4 - (-4) = 12
So the other endpoint is: (11, 12)