Multiple choice

Simplify √63

  1. 3√7

  2. 21√3

  3. 7√3

  4. 2√7
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The number 63 can be factored into 9 * 7. Thus, sqrt(63) = sqrt(9) * sqrt(7) = 3 * sqrt(7).

Keep practicing — related questions