Multiple choice

√(a-b) = √a - √b

  1. True

  2. False

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

The square root of a difference is not equal to the difference of the square roots. For example, if a=9 and b=4, sqrt(9-4) = sqrt(5), while sqrt(9)-sqrt(4) = 3-2 = 1. Since sqrt(5) is not equal to 1, the statement is false.