2-7 Square Roots and Real Numbers A

Find each square root.

$$-\sqrt[]{81}$$

Find each square root.

$$\pm\sqrt[]{\frac{25}{16}}$$

Find each square root. If necessary, round to the nearest hundredth.

$$\sqrt[]{62}$$

$$\sqrt{25}$$  

Name the set or sets of numbers to which each real number belongs.

$$\frac{84}{12}$$

$$\sqrt[]{1}=1$$ and $$\sqrt[]{4}=2$$ . The square root of 2 is ​ (a)   and the square root of 3 is ​ (b)   .

$$\sqrt[]{4}$$

Hint: What number multiplied by ITSELF equals the number inside the radical sign?

Name the set or sets of numbers to which each real number belongs.

$$\sqrt[]{25}$$

Write each set of numbers in order from least to greatest.

$$\sqrt[]{0.09},\ -0.3131...,\ \frac{3}{5}$$