Library / /227 of 472

, 2011

Algebra Difficulty 2.0 Junior Find the answer Canada

If $3^{2x} = 64$ , then $3^{-x}$ is equal to

(A) $-32$ (B) $-8$ (C) $\frac{1}{4096}$ (D) $\frac{1}{32}$ (E) $\frac{1}{8}$

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.