Quiz about Recuperação 9º Ano C

Question 1

Calcule $$(-3) imes (-4)$$ .

Accepted Answer

12

Answer

-12

Answer

-7

Answer

7

Question 2

Simplifique $$(27)^{\frac{1}{3}}$$ .

Accepted Answer

3

Answer

9

Answer

27

Answer

1

Question 3

Calcule $$(16)^{\frac{3}{4}}$$ .

Accepted Answer

4

Answer

8

Answer

16

Answer

2

Question 4

Simplifique $$(x - 3)^2$$ .

Accepted Answer

$$x^2 - 6x + 9$$

Answer

$$x^2 + 6x + 9$$

Answer

$$x^2 - 9$$

Answer

$$x^2 + 9$$

Question 5

Resolva o problema: Se 5 livros custam $20, quanto custam 8 livros?

Accepted Answer

$32

Answer

$30

Answer

$28

Answer

$25

Question 6

Calcule $$(-5)^2$$ .

Accepted Answer

25

Answer

-25

Answer

10

Answer

-10

Question 7

Simplifique $$(64)^{\frac{1}{2}}$$ .

Accepted Answer

8

Answer

16

Answer

32

Answer

4

Question 8

Calcule $$(9)^{\frac{3}{2}}$$ .

Accepted Answer

27

Answer

18

Answer

9

Answer

3

Question 9

Simplifique $$(x + 5)(x - 5)$$ .

Accepted Answer

$$x^2 - 25$$

Answer

$$x^2 + 25$$

Answer

$$x^2 + 10x - 25$$

Answer

$$x^2 - 10x + 25$$

Question 10

Calcule $$(-2)^3$$ .

Accepted Answer

-8

Answer

8

Answer

-6

Answer

6

Question 11

Em 15 minutos eu consigo descascar 2Kg de batatas. Em uma hora conseguirei descascar quantos quilogramas?

Accepted Answer

8kg

Answer

4kg

Answer

12kg

Answer

16kg

Question 12

Se tivermos (+).(+) convertemos para:

Accepted Answer

+

Answer

-

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