Practice problem
Which of the following are rational numbers? Select all that apply.
1\sqrt{1}1
2\sqrt{2}2
4\sqrt{4}4
π\sqrt{\pi}π
14\sqrt{\frac{1}{4}}41
−9\sqrt{-9}−9
−9-\sqrt{9}−9
Type a concept, like “slope” or “photosynthesis”.