Mini ensayo con tiempo
Quiz
•
Mathematics
•
12th Grade
•
Hard
Javiera Francisca Peña Molina
Used 7+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El resultado de truncado a la décima es
0,1
0,2
0,3
0,8
0,7
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Si A es el 25% de B, ¿Qué % es A de A+B?
500%
400%
50%
25%
20%
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Si , entonces x=
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La solución de la inecuación: es el conjunto de números reales “x” que cumplen con que:
x <12
x>12
x<4
x>4
x<6
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. ¿Cuál de los siguientes gráficos representa mejor al sistema:
2x-y=3
x+2y=-1
A
B
C
D
E
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. Hernán debe cortar, en forma rectangular, un cartón cuya área debe ser de 2.500 cm2 y donde el largo (x) debe exceder al ancho en 75 cm. ¿Cuál de las siguientes ecuaciones permite a Hernan determinar el largo y el ancho del cartón, en cm?
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. Si el área de una figura plana está representada por la expresión
I) x^2 + 4x + 4, entonces la figura puede ser un cuadrado de lado (x + 2).
II) x^2 - 9, entonces la figura puede ser un cuadrado de lado (x - 3).
III) x^2 + 7x + 12, entonces la figura puede ser un rectángulo donde uno de sus lados es (x + 4)
Cuál(es) es(son) verdadera(s)
Solo i
solo ii
solo i y iii
solo ii y iii
i, ii y iii
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