SAT Math Question of the Day

Math Category: Roots Level 2:

Q: √ 3 + √ 12

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

UNANSWERED.

The correct answer is C.

A: The answer is 3 √ 3 .

√ 12 = √ (2)(2)(3) = 2 √ 3
Add that to √ 3 , and you get 3 √ 3 .