The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Coordinate Geometry — quick quiz

5 SOF IMO-pattern questions on Coordinate Geometry. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

Three vertices of a parallelogram ABCD are A(1, 2), B(4, 3) and C(6, 6). What are the coordinates of the fourth vertex D?