Multiple choice

Simplify √128

  1. 8√2

  2. 4√32

  3. 2√8

  4. 32√4

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

To simplify the square root, find the largest perfect square factor of 128. Since 128 = 64 * 2, the square root is sqrt(64) * sqrt(2), which equals 8 * sqrt(2).