Operaciones con Números Reales: Cuestionarios y Ejercicios Interactivos

Question 1

Calcula el valor absoluto de -7.

Accepted Answer

7

Answer

-7

Answer

14

Answer

0

Question 2

Simplifica la expresión (3x²y³z)⁻¹.

Accepted Answer

1/(3x²y³z)

Answer

3x²y³z

Answer

9x⁴y⁶z²

Answer

1/3x²y³z

Question 3

Determina el resultado de la suma (3 + 4i) + (2 - 5i).

Accepted Answer

5 - i

Answer

-5 + i

Answer

5 + i

Answer

-5 - i

Question 4

Encuentra los valores de x que satisfacen la ecuación |2x - 3| = 5.

Accepted Answer

x = 4 o x = 1

Answer

x = 2 o x = 3

Answer

x = -2 o x = -3

Answer

x = -4 o x = -1

Question 5

Multiplica (2,5) por (-3).

Accepted Answer

-7,5

Answer

-5,5

Answer

+7,5

Answer

+5,5

Question 6

Simplifica la expresión (-2)³.

Accepted Answer

-8

Answer

-6

Answer

+6

Answer

+8

Question 7

Calcula el valor absoluto de |-3,2|.

Accepted Answer

3,2

Answer

6,4

Answer

-6,4

Answer

-3,2

Question 8

Simplifica la expresión 2x + 3y - x + y.

Accepted Answer

x + 4y

Answer

3x - 4y

Answer

x - 4y

Answer

3x + 4y

Question 9

Resuelve la ecuación 2x - 5 = 1.

Accepted Answer

x = 3

Answer

x = -5

Answer

x = -3

Answer

x = 5

Question 10

Aproxima el número π a dos decimales.

Accepted Answer

3,14

Answer

3,15

Answer

3,16

Answer

3,13