
Olimpiadas 8 - 9 HS
Authored by Jose Díaz
Mathematics
8th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Juan mide 143 cm, María mide 139 cm, Pedro mide 141 cm y Sara mide 140 cm, si desean acomodar del más pequeño al mas grande, el orden debe ser:
María, Sara, Juan y Pedro
María, Sara, Pedro y Juan
María, Juan, Sara y Pedro
María, Pedro, Sara y Pedro
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dos números enteros se llaman opuestos si están a la misma distancia de cero y tienen diferente signo. Si se tienen los números 3,-6,-8, 5 y -9, sus opuestos son
-3,6,-8, -5 y -9
-3,6,8, 5 y -9
-3,6,-8, -5 y -9
-3,6,8, -5 y 9
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Debido a una reacción química, la temperatura de una sustancia cambio en forma totalmente opuesta a la que tenia inicialmente y luego fue disminuyendo 2 grados Celsius por minuto, si la temperatura a la que se encontraba la sustancia es de -15 y tendía a aumentar, se espera que la temperatura tres minutos después sea de
-21 grados Celsius.
-20 grados Celsius.
-22 grados Celsius.
-19 grados Celsius.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
18
13
22
15
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x+6
x-6
x+9
x-3
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
El filósofo griego Aristóteles nació en el año 384 a. C y murió en el año 322 a. C ¿Cuántos años vivió Aristóteles?
60
62
64
61
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Al factorizar la expresión m2+5m-14, se obtiene como resultado:
(m+7)(m+2)
(m+7)(m-2)
(m-7)(m+2)
(m-7)(m-2)
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