Multiple choice

Which of the following is equal to 3√2 ?

  1. √18

  2. √12

  3. √16

  4. √20

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

To move the coefficient 3 inside the radical, square it: 3√2 = √(3^2 * 2) = √(9 * 2) = √18.