Evaluación de 2 do para 3ero

Quiz
•
Mathematics
•
7th Grade
•
Medium
Sandra Calderon
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De la siguiente ecuación el valor de x es:
12x+10=8x+20
10/6
8/4
10/4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se sabe que la edad de Rosita es el doble de la Juan , y la edad de los dos equivale a 84 , ¿cual es el planteamiento correcto de este problema?
2x+x=84
x + x = 84
ninguna de las anteriore
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Del planteamiento anterior ( 2x +x = 84 ) , ¿cual es la edad de Juan?
28
56
32
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sara va a la papeleria , en esta ella paga $ 840 , se sabe que en la papelería solo se venden cuadernos de $10 y $34 , ella en total se lleva 50 cuadernos , ¿que sistema ejemplifica correctamente la solución de este problema?
x+ 34 y=50
10 x + y = 840
x+ y=50
10 x +34 y = 840
x+ y=50
10 x + y = 840
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se tiene un triangulo que mide k de altura y r de base , ¿cuál es su área?
A= bx h /2
A=rxk
A=rxk/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verifique el resultado de la siguente operación :
3x( 10 x +12)
30 x+ 36 x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
49
121
122
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