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, 2004

Algebra Difficulty 1.0 Junior Find the answer Canada

The value of $2^2 + 1^2 + 0^2 + (-1)^2 + (-2)^2$ is

(A) $5$ (B) $-6$ (C) $3$ (D) $6$ (E) $10$

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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.