Multiple choice

$\sqrt 2$ and $\sqrt 3$ are irrational numbers. Which of the following numbers does not represent an irrational number?

  1. $\sqrt 2$ $\times$ $\sqrt 3$
  2. $\frac{\sqrt {2}}{\sqrt {3}}$
  3. $\sqrt 2$ + $\sqrt 3$
  4. $\frac{- \sqrt {2}}{\sqrt {2}}$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$\frac{- \sqrt {2}}{\sqrt {2}} = -1$is not an irrational number.

Keep practicing — related questions