REFUERZO. MATEMÁTICA PRIMERO BGU
Quiz
•
Mathematics
•
1st Grade
•
Hard
VICTOR PACHECO
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cómo se define el valor absoluto?
El valor de un número
El valor opuesto de un número
La distancia de un número a cero
El inverso multiplicativo de un número
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El valor absoluto de un número negativo es:
Positivo
Negativo
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Valor absoluto de |- 17|
-17
17
-7
+7
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La solución de esta ecuación |x-3|=-7 es
x1=-4
x2=11
x1=Ø
x2=Ø
x1=-4
x2=11
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5∣ x ∣ - 8 = 2
x = 5
x = 2
x = 2
x = -2
x = -5
x = 10
x = 18
x = -18
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4/5;1
3/2;2
3/2;-1
-1;4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Para resolver la ecuación con valor absoluto
|1/5x+3/2| - 4/10 = 10/3
Primero debo dejar solamente valor absoluto en primer miembro, para luego dependiendo del signo del segundo miembro ver si es posible resolverla.
¿Cuál sería la expresión más simplificada me quedaría para analizar?
|1/5x+3/2| = 4/10 + 10/3
|1/5x+3/2| = 56/15
|1/5x+3/2| = -112/30
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