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May 24, 2015

Homework Help: Algebra II

Posted by Lucy on Sunday, March 16, 2008 at 5:24pm.

Which describes the number and type of roots of the equation x^2 -625=0?

A. 1 real root, 1 imaginary root
B. 2 real roots, 2 imaginary roots
C. 2 real roots
D. 4 real roots.

I have x^2 = 625
x = 25
answer: 2 real roots (25 or -25) Is this correct?

Thanks

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