Quiz about 4TO SEC.

Question 1

El resultado de - 3 + 5 - 7, es

Accepted Answer

-5

Answer

5

Answer

15

Answer

-15

Question 2

El resultado de la resta 14 - (-28), es igual a:

Accepted Answer

42

Answer

-14

Answer

14

Answer

-42

Question 3

-5 + 8 - 3 + 9 - 2 es igual a:

Accepted Answer

7

Answer

-7

Answer

-27

Answer

27

Question 4

Calcula la siguiente suma: +6 - 5 =

Accepted Answer

+1

Answer

-1

Answer

+11

Answer

-11

Question 5

Calcula la siguiente resta: - 8 + 6 =

Accepted Answer

-2

Answer

+2

Answer

+14

Answer

-14

Question 6

Calcula las siguientes sumas: (-2) + (+8) + (-4) =

Accepted Answer

+2

Answer

-2

Answer

+14

Answer

-14

Question 7

Signos iguales se...

Accepted Answer

Suman

Answer

Restan

Question 8

Signos diferentes se...

Accepted Answer

Restan

Answer

Suman

Question 9

40-40-21

Accepted Answer

-21

Answer

80

Answer

1200

Answer

0

Question 10

23 - 15 - 10 =

Accepted Answer

-2

Answer

-1

Answer

1

Answer

2

Question 11

Suma las siguientes expresiones algebraicas:
$$7h-2$$ con $$-4h+8$$ el resultado es:

Accepted Answer

$$3h+6$$

Answer

$$-3h+6$$

Answer

$$3h-6$$

Answer

$$-3h-6$$

Question 12

Ordenar 5a⁷b³ + 8a³b⁵ - 6a⁵b⁴ + 3a⁴b⁶ = ?

Accepted Answer

5a⁷b³ - 6a⁵b⁴ + 3a⁴b⁶ + 8a³b⁵

Answer

5a⁷b³ + 3a⁴b⁶ + 8a³b⁵- 6a⁵b⁴

Answer

5a⁷b³ + 3a⁴b⁶- 6a⁵b⁴ + 8a³b⁵

Answer

8a³b⁵+ 5a⁷b³ - 6a⁵b⁴ + 3a⁴b⁶

Question 13

10x + 7y - 6z - ( 3x - 4y + 2z) =

Accepted Answer

7x + 11y - 8z

Answer

7x - 11y + 8z

Answer

7x - 11y - 8z

Answer

7x + 11y + 8z

Question 14

$$\frac{x^9\ y^7\ z^8}{z^5\ x^6\ y^3}=\ \ ?$$

Accepted Answer

$$x^3\ y^4\ z^3$$

Answer

$$x^6\ y^3\ z^2$$

Answer

$$x^6\ y^3\ z^3$$

Answer

$$x^6\ y^4\ z^5$$

Question 15

DESARROLLE:
$$\left(X+2\right)^2$$

Accepted Answer

$$X^2+4X+4$$

Answer

$$X^2+4$$

Answer

$$X^2-2X+4$$

Question 16

El resultado del siguiente producto es

$$\left(-3a^2b\right)\left(-2ab^3\right)$$

Accepted Answer

$$6a^3b^4$$

Answer

$$6a^2b^3$$

Answer

$$-5a^3b^4$$

Answer

$$-5a^2b^3$$

Question 17

$$\frac{7x^{12}y^3z^8}{14x^6y^9z^7}$$

Accepted Answer

$$\frac{x^6z}{2y^6}$$

Answer

$$2x^6y^6z^1$$

Answer

$$\frac{2y^6}{x^6z}$$

Answer

$$\frac{1}{2}x^6y^6z$$

Question 18

Divide $$\left(12x^2\ -18x\ +9\right)\ \div-3$$

Accepted Answer

$$-4x^2\ +6x\ -3$$

Answer

$$2x^2\ -3x\ -1$$

Answer

$$4x^2\ -6x\ -2$$

Question 19

Divide $$\left(6x^3\ +3x^2\ -20x\ +3\right)\ \div\ \left(2x\ -3\right)$$

Accepted Answer

$$3x^2\ +6x\ -1$$

Answer

$$2x^2\ +6x\ -1$$

Answer

$$x^2\ +2x\ -1$$

Question 20

3x + 2 = 11

Accepted Answer

x = 3

Answer

x = 4

Answer

x = -3

Answer

x = -4

Question 21

12x + 4 = 28

Accepted Answer

x = 2

Answer

x = -2

Answer

x = 32 / 12

Answer

x = -32 / 12

Question 22

3x + 5 = 5x - 13

Accepted Answer

x = 9

Answer

x = -9

Answer

x = 6

Answer

x = -6

Question 23

2(x-1)+3x=3

Accepted Answer

1

Answer

2

Answer

4/3

Answer

4/5

Question 24

$$2x-7=12-3x+11$$

Accepted Answer

$$x=6$$

Answer

$$x=-6$$

Answer

$$x=5$$

Answer

$$x=-\frac{5}{19}$$

Question 25

$$4x+2x-2=2x+6$$

Accepted Answer

$$x=2$$

Answer

$$x=\frac{1}{2}$$

Answer

$$x=-2$$

Answer

$$x=4$$

Question 26

$$5x\ +5=3x+13$$

Accepted Answer

$$x=4$$

Answer

$$x=-3$$

Answer

$$x=3$$

Answer

$$x=-4$$

Question 27

$$\frac{2y}{3}=4$$

Accepted Answer

$$y=6$$

Answer

$$y=7$$

Answer

$$y=3$$

Answer

$$y=-6$$

Question 28

$$2x=6$$

Accepted Answer

$$x=3$$

Answer

$$x=1$$

Answer

$$x=2$$

Answer

$$x=-3$$

Question 29

$$x+3=5$$

Accepted Answer

$$x=2$$

Answer

$$x=8$$

Answer

$$x=-2$$

Answer

$$x=4$$

Question 30

$$4x+2x=2x+20$$

Accepted Answer

$$x=5$$

Answer

$$x=4$$

Answer

$$x=-5$$

Answer

$$x=16$$

Question 31

$$\frac{a^3}{a^2}=$$

Accepted Answer

$$a$$

Answer

$$a^5$$

Answer

$$a^3 imes a^2$$

Question 32

$$a^{-6} imes a^2=$$

Accepted Answer

$$a^{-4}$$

Answer

$$a^8$$

Answer

$$a^{-8}$$

Answer

$$a^4$$

Question 33

$$\left(\frac{m}{n}\right)^2$$

Accepted Answer

$$\frac{m^2}{n^2}$$

Answer

$$\frac{m}{n^2}$$

Answer

$$\frac{m^2}{n}$$

Answer

$$mn^2$$

Question 34

$$\frac{x^6y^5}{x^4y}$$

Simplifica

Accepted Answer

$$x^2y^4$$

Answer

$$x^{-2}y^4$$

Answer

$$x^{10}y^6$$

Answer

$$x^2y^3$$

Question 35

$$\left(\frac{ ext{a}}{ ext{b}} ight)^n=$$

Accepted Answer

$$\frac{a^n}{b^n}$$

Answer

1

Answer

$$-\frac{a^n}{b^n}$$

Answer

0

Question 36

$$\left(-3\right)^0=$$

Accepted Answer

1

Answer

0

Answer

3

Answer

-1

Question 37

Calcular

$$x.x$$

Accepted Answer

$$x^2$$

Answer

$$2x$$

Answer

$$3x$$

Answer

0

Question 38

Calcular

$$\left(3x\right)^2$$

Accepted Answer

$$9x^2$$

Answer

$$6x^2$$

Answer

$$6x$$

Answer

$$6x^3$$

Question 39

Calcular

$$\sqrt{25x^2}$$

Accepted Answer

$$5x$$

Answer

$$25x$$

Answer

$$5x^2$$

Answer

$$10x^2$$

Question 40

Calcular

$$\sqrt{16a^4}$$

Accepted Answer

$$4a^2$$

Answer

$$8a^2$$

Answer

$$4a$$

Answer

$$8a$$

Question 41

$$2s-5t=15$$
$$-3s+2t=-17$$

Accepted Answer

$$s=5\ ;\ t=-1$$

Answer

$$s\ =5\ ;\ t=1$$

Answer

$$s=-5\ ;\ t=-1$$

Answer

$$Ninguna$$

Question 42

Al resolver el sistema, el valor de "y" es...

Accepted Answer

$$-3$$

Answer

$$-5$$

Answer

$$-7$$

Answer

$$-9$$

Question 43

Resolver el siguiente sistema de ecuaciones: (1) $$x-2y=-4$$

(2) $$3x+y=9$$

Accepted Answer

$$x=2\ \wedge\ \ y=3$$

Answer

$$x=2\ \wedge\ \ y=6$$

Answer

$$x=4\ \wedge\ \ y=3$$

Answer

$$x=2\ \wedge\ \ y=\frac{1}{3}$$

Question 44

Resolver el siguiente sistema de ecuaciones: (1) $$3x+2y=-1$$ (2) $$5x+y=-4$$

Accepted Answer

$$x=-1\ \wedge\ y=1$$

Answer

$$x=-3\ \wedge\ y=1$$

Answer

$$x=1\ \wedge\ y=5$$

Answer

$$x=2\ \wedge\ y=5$$

Question 45

Resolver el siguiente sistema de ecuaciones: (1) $$5x+6y=20$$ (2) $$3x+8y=34$$

Accepted Answer

$$x=-2\ \wedge\ \ y=5$$

Answer

$$x=2\ \wedge\ \ y=5$$

Answer

$$x=-2\ \wedge\ \ y=3$$

Answer

$$x=-3\ \wedge\ \ y=5$$

Question 46

Resolver el siguiente sistema de ecuaciones: (1) $$x+6y=27$$ (2) $$7x-3y=9$$

Accepted Answer

$$x=3\ \wedge\ \ y=4$$

Answer

$$x=5\ \wedge\ \ y=4$$

Answer

$$x=4\ \wedge\ \ y=3$$

Answer

$$x=3\ \wedge\ \ y=2$$

4TO SEC.

60 questions

El resultado de - 3 + 5 - 7, es

El resultado de la resta 14 - (-28), es igual a:

-5 + 8 - 3 + 9 - 2 es igual a:

Calcula la siguiente suma: +6 - 5 =

Calcula la siguiente resta: - 8 + 6 =

Calcula las siguientes sumas: (-2) + (+8) + (-4) =

Signos iguales se...

Signos diferentes se...

40-40-21

23 - 15 - 10 =

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