Quiz about Repaso 2 ESO

Question 1

$$\frac{2^{-4}\ 2^3\ 2^{-5}}{\left(2^4\right)^{-3}:\ 2^{-4}}$$

Accepted Answer

$$2^2$$

Answer

$$2^3$$

Answer

$$2^{-3}$$

Answer

$$2^{-2}$$

Question 2

$$4^4\ \left(\frac{1}{4}\right)^{-5}:\left(\frac{1}{4}\right)^{-6}$$

Accepted Answer

$$4^3$$

Answer

$$4^{-3}$$

Answer

$$4^4$$

Answer

$$4^{-2}$$

Question 3

$$\frac{\left(\frac{3}{8}\right)^{-8}\left(\frac{2}{3}\right)\left(\frac{3}{2}\right)^{-2}}{\left[\left(\frac{3}{2}\right)^5\right]^{-3}\left(\frac{2}{5}\right)^5:\left(\frac{3}{2}\right)^{-2}}$$

Accepted Answer

$$2^{10}3^45^5$$

Answer

$$2^{13}3^45$$

Answer

$$2^{11}3^75^2$$

Answer

$$2^83^45^5$$

Question 4

Question 4.

Accepted Answer

12

Answer

8

Answer

16

Answer

10

Question 5

Question 5.

Accepted Answer

5

Answer

6

Answer

4

Answer

7

Question 6

Question 6.

Accepted Answer

1

Answer

2

Answer

0

Answer

3

Question 7

Question 7.

Accepted Answer

160cm de lado y 20 baldosas

Answer

170cm de lado y 22 baldosas

Answer

180cm de lado y 25 baldosas

Answer

190cm de lado y 28 baldosas

Question 8

Question 8.

Accepted Answer

$$\frac{6}{7}$$

Answer

$$\frac{5}{7}$$

Answer

$$\frac{4}{7}$$

Answer

$$-\frac{6}{7}$$

Question 9

Question 9.

Accepted Answer

$$\left(\frac{3}{2}\right)^{15}$$

Answer

$$\left(\frac{3}{2}\right)^{12}$$

Answer

$$\left(\frac{3}{2}\right)^{14}$$

Answer

$$\left(\frac{2}{3}\right)^{15}$$

Question 10

Question 10.

Accepted Answer

85

Answer

-85

Answer

80

Answer

75

Question 11

Question 11.

Accepted Answer

-8

Answer

-10

Answer

8

Answer

10

Question 12

Question 12.

Accepted Answer

$$-2a^2bc^3$$

Answer

$$2a^2bc^3$$

Answer

$$2a^3b^2c$$

Answer

$$-a^2bc^3$$

Question 13

Question 13.

Accepted Answer

$$3x^3yz^3$$

Answer

$$2x^3yz^2$$

Answer

$$-3x^3yz^3$$

Answer

$$-xyz$$

Question 14

Question 14.

Accepted Answer

$$4x^3y\ +\ 3x^2y^2-8x^8$$

Answer

$$4x^3-3x^2y^2+8x^8$$

Answer

$$4x^3y+3x^2y^2+8x^8$$

Answer

$$4x^3+8x^8$$

Question 15

Question 15.

Accepted Answer

a=5

Answer

a=4

Answer

a=-5

Answer

a=-4

Question 16

Question 16.

Accepted Answer

P(1)=6

P(-1)=12

P(2)=60

P(-2)=0

Answer

P(1)=5

P(-1)=10

P(2)=65

P(-2)=-1

Answer

P(1)=-6

P(-1)=12

P(2)=-60

P(-2)=0

Answer

P(1)=6

P(-1)=12

P(2)=60

P(-2)=-1

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