Maths Olympiad Prep

Library / /32 of 413

, 2004

Algebra Difficulty 1.0 Junior Find the answer Canada

If x=4x = -4 and y=4y = 4, which of the following expressions gives the largest answer?

(A) xy\frac{x}{y} (B) y1y - 1 (C) x1x - 1 (D) xy-xy (E) x+yx + y

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.