Ratios

What the problems look like

A few statements from this skill. Answers, hints and worked solutions live in the practice session.

1. Warm-up

   Of the four numbers $\dfrac{4}{6}$, $7.40$, $\sqrt{16}$, and $\sqrt{82}$, how many are irrational?

2. Warm-up

   Of the four numbers $\dfrac{1}{5}$, $3.80$, $\sqrt{26}$, and $\sqrt{81}$, how many are irrational?

3. Warm-up

   Of the four numbers $\dfrac{7}{3}$, $3.40$, $\sqrt{16}$, and $\sqrt{5}$, how many are irrational?

Problems shown under their original terms: Generated (template, solver-computed).