DIAGNOSTICO ECUACIONES LINEALES
Quiz
•
Mathematics
•
10th Grade
•
Medium
Fernando Procel
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
¿Qué es una ecuación lineal con una variable?
Una ecuación donde la variable está elevada al cuadrado.
Una ecuación de primer grado con una incógnita.
Una ecuación que tiene dos incógnitas.
Una ecuación que representa una parábola.
Answer explanation
Una ecuación lineal de una variable es de primer grado y se representa como ax + b = 0.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
En la ecuación 3x + 5 = 11, el valor de x es:
6
2
4
3
Answer explanation
Restamos 5 a ambos lados: 3x = 6, luego dividimos entre 3 y obtenemos x = 2.
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
¿Cuál de las siguientes es una ecuación lineal con una variable?
2x² + 3 = 0
y = 3x + 2
4x - 7 = 9
x³ - 2 = 0
Answer explanation
Solo la opción '4x - 7 = 9' es de primer grado y tiene una sola incógnita.
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Si x - 4 = 10, entonces x es:
6
14
4
-14
Answer explanation
Sumamos 4 a ambos lados: x = 10 + 4 = 14.
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
¿Cuál es el primer paso para resolver 5x + 8 = 18?
Multiplicar ambos lados por 5
Restar 8 a ambos lados
Dividir entre 8
Elevar ambos lados al cuadrado
Answer explanation
Primero se despeja el término independiente, restando 8 en ambos lados.
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Si 2x = 12, el valor de x es:
10
8
6
12
Answer explanation
Dividimos ambos lados entre 2, obteniendo x = 6.
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
En la ecuación 4x - 2 = 14, después de sumar 2 a ambos lados obtenemos:
4x = 12
4x = 16
2x = 16
x = 4
Answer explanation
Sumamos 2 a ambos lados: 4x = 14 + 2 = 16.
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