1. Un termómetro marca -18 ºC a las 6 de la mañana. Si la temperatura aumenta 3 ºC cada una hora, ¿cuánto marcará el termómetro al cabo de 9 horas?
Diagnostico algebra

Quiz
•
Mathematics
•
8th Grade
•
Hard
Alexandra Suárez
Used 479+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
9
-45
-9
45
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. Un submarino se demoró 5 horas en llegar a -250 m con respecto al nivel del mar. Si cada hora bajó la misma cantidad de metros, ¿cuántos metros se sumerge en 3 horas?
50
150
-50
-150
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si n y m son números positivos con m mayor que n, entonces la operación (n – m) es:
Negativo
Positivo
Par
Impar
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El resultado de la operación -4 + 7 - 8 + 11 es.
-6
6
8
-8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El resultado de la operación 8m - 12m - 6m + 4m es.
-30
30
-6
6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los dueños de una finca desean cercarla, si las dimensiones de la finca son las que se muestran en la figura. ¿Cual es el perímetro?
16x + 4
4x + 12
12x + 2
12x
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El resultado de la operación entre los dos racionales es.
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