SAT Math Question of the Day

Math Category: Roots Level 2:

Q: √ 12

  1. √ 2
  2. √ 3
  3. 2 √ 3
  4. √ 4
  5. 3 √ 2

UNANSWERED.

The correct answer is C.

A: The answer is 2 √ 3 .
√ 12 = √ (2)(2)(3) .
There are two 2's under the root, so the 2 can be moved to outside the root.