2 Números enteros, potencias y raíces

Quiz
•
Mathematics
•
9th Grade
•
Medium
Juan Carlos Tello
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indica que número de los siguientes es negativo:
Opuesto de –3
Inverso de 5
Valor absoluto de – 5
Opuesto del valor absoluto de –7
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Indica la operación que de un resultado mayor:
(–9 + 3) : (–4 + 2)
2 · (–4 + 3 · 2) · 2
2 · (1 – 2 · (1 – 2)) – 1
3 – (–2) + 5 · (– 1)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Un escalador sale de su campamento base situado a 2300 m sobre el nivel del mar y realiza el siguiente trayecto: sube primera 1105 m, baja después 225 m y finalmente, vuelve a subir 659 m. Indica mediante operaciones con números enteros el recorrido que ha hecho.
– 2300 + 1105 + 225 + 659
2300 + 1105 + 225 – 659
2300 – 1105 + 225 – 659
2300 + 1105 – 225 + 659
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuál es el resultado de la siguiente operación: 3 – (– 5) + 2 + (– 3) + 2 – 7 + 1 – (– 2)?
5
7
3
–9
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuál de las siguientes operaciones tiene como resultado 6?
(–3) ⋅ [(–2) +(–4)]
9 ⋅ [(–3) : (+3)]
(–9) + (–3) : 6
(–3) ⋅ (2 –4)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es el resultado de la siguiente operación: (–3) ⋅ (–5) + (14) : (–2) – (–2) ⋅ (–4)?
16
0
– 16
1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Indica el resultado de sumar estas potencias: 25 + 43
92
100
96
104
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