The coordinate grid below shows triangle ABC and its image after translation, triangle A'B'C': Triangles ABC and A prime B prime
C prime are shown. A is at 3, 1. B is at 2, 6. C is at 6, 5. A prime is at negative 5, 4. B prime is at negative 6, 9. C prime is at negative 2, 8. Which of the following completes the rule for this translation, (x, y) → (x − 8, ___)? (5 points)