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Mathematics 21 Online
OpenStudy (anonymous):

MEDAL & FAN ANYBODY ? Which statement makes the following sentence true? When you take the square root of a linear or quadratic expression: a. You have only one answer, either positive or negative. b. You have 1 answer, which is positive as square roots must always be positive. c. You have 2 answers, one positive and one imaginary. d. You have 2 answers, one positive and one negative.

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