Verified Solution Mathematics Polynomials

If sqrt(5) is a zero of the polynomial f(x) = x² - 5, what is its other zero?

0 views 0 helpful Updated Jul 2, 2026
Solution ✔ Verified
  • A-sqrt(5)
  • B5
  • C-5
  • D0
Explanation

Since x² - 5 = (x - sqrt(5))(x + sqrt(5)), the zeros are sqrt(5) and -sqrt(5). Therefore, the other zero is -sqrt(5).

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