Quiz about Propriedades dos radicais

Question 1

Simplifique: $$\sqrt{50}$$

Accepted Answer

$$5\sqrt{2}$$

Answer

$$10$$

Answer

$$25$$

Answer

$$2\sqrt{5}$$

Question 2

Multiplicar: $$\sqrt{3} imes \sqrt{12}$$

Accepted Answer

$$6$$

Answer

$$2\sqrt{9}$$

Answer

$$2\sqrt{3}$$

Answer

$$3\sqrt{4}$$

Question 3

Simplifique: $$\sqrt{18} + \sqrt{8}$$

Accepted Answer

$$5\sqrt{2}$$

Answer

$$2\sqrt{2} + 3\sqrt{2}$$

Answer

$$2\sqrt{2} + 2\sqrt{2}$$

Answer

$$3\sqrt{2} + 2\sqrt{2}$$

Question 4

Divida: $$\frac{\sqrt{27}}{\sqrt{3}}$$

Accepted Answer

$$3$$

Answer

$$9$$

Answer

$$\sqrt{9}$$

Answer

$$6$$

Question 5

Simplifique: $$2\sqrt{5} imes 3\sqrt{2}$$

Accepted Answer

$$6\sqrt{10}$$

Answer

$$5\sqrt{6}$$

Answer

$$6\sqrt{7}$$

Answer

$$5\sqrt{2}$$

Question 6

Simplifique: $$\sqrt{32}$$

Accepted Answer

$$4\sqrt{2}$$

Answer

$$8$$

Answer

$$2\sqrt{8}$$

Answer

$$16$$

Question 7

Multiplicar: $$(\sqrt{7})(\sqrt{14})$$

Accepted Answer

$$7\sqrt{2}$$

Answer

$$14\sqrt{7}$$

Answer

$$2\sqrt{49}$$

Answer

$$7\sqrt{14}$$

Question 8

Divide: $$\frac{6\sqrt{3}}{2\sqrt{6}}$$

Accepted Answer

$$\frac{\sqrt{2}}{2}$$

Answer

$$\sqrt{2}$$

Answer

$$\sqrt{3}$$

Answer

$$3\sqrt{2}$$

Question 9

Simplifique: $$\sqrt{45} - \sqrt{20}$$

Accepted Answer

$$3\sqrt{5} - 2\sqrt{5}$$

Answer

$$5\sqrt{3} - 2\sqrt{5}$$

Answer

$$3\sqrt{5} - 2\sqrt{2}$$

Answer

$$5\sqrt{2} - 3\sqrt{5}$$

Question 10

Multiplicar: $$(2\sqrt{3})(\sqrt{12})$$

Accepted Answer

$$12$$

Answer

$$4\sqrt{9}$$

Answer

$$4\sqrt{3}$$

Answer

$$8\sqrt{3}$$

Question 11

Simplifique: $$\sqrt{72} - \sqrt{18}$$

Accepted Answer

$$6\sqrt{2} - 3\sqrt{2}$$

Answer

$$3\sqrt{2} - 6\sqrt{2}$$

Answer

$$6\sqrt{3} - 3\sqrt{3}$$

Answer

$$3\sqrt{3} - 6\sqrt{3}$$

Question 12

Multiplicar: $$(\sqrt{5})(\sqrt{20})$$

Accepted Answer

$$10\sqrt{5}$$

Answer

$$5\sqrt{4}$$

Answer

$$5\sqrt{20}$$

Answer

$$\sqrt{100}$$

Question 13

Divida: $$\frac{\sqrt{50}}{\sqrt{2}}$$

Accepted Answer

$$5$$

Answer

$$10$$

Answer

$$\sqrt{25}$$

Answer

$$\sqrt{10}$$

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