alleryStart learning →For what value of x is x = 2 a zero of x² − 4?
- Yes — p(2) = 0
- No — p(2) ≠ 0
- Only if x positive
- Cannot tell
Show answer and solution
Correct answer: A. Yes — p(2) = 0
p(2) = 4 − 4 = 0, so 2 is indeed a zero of x² − 4. (The other zero is −2.)
Indian Navy 10+2 B.Tech Cadet Polynomials — practice questions
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