Multiple choice

Which of the following could be simplified?

  1. √45

  2. √55

  3. √41

  4. √34
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A square root can be simplified if the number under the radical has a square factor. 45 = 9 * 5, and 9 is a square number, so √45 = 3√5.

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