Library / /244 of 472

, 2003

Algebra Difficulty 2.0 Junior Find the answer Canada

If $x + y = 1$ and $x - y = 3$ , what is the value of $2^{x^2-y^2}$ ?

(A) $4$ (B) $8$ (C) $2$ (D) $16$ (E) $32$

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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.