G6 Ecuaciones

Quiz
•
Mathematics
•
6th Grade
•
Hard
Romina Poliakoff
Used 3+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si x - 7 = 12, "x" vale...
5
19
84
21
Answer explanation
To find the value of x, add 7 to both sides of the equation x - 7 = 12. This gives x = 12 + 7 = 19. Therefore, x is equal to 19.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué operaciones harías para solucionar la ecuación?
7x - 3 = 11
Primero: -3
Luego: x7
Primero: +3
Luego: ÷7
Primero: ÷7
Luego: +3
Primero: ÷7
Luego: -3
Answer explanation
Primero: +3 Luego: ÷7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3(X + 5) = 12
X + 5 = 4
¿Qué operación se hizo para anular el 3?
Más 3
Por 3
Entre 3
Menos 3
Answer explanation
Para anular el 3, se dividió entre 3 en ambos lados de la ecuación, lo que resultó en X + 5 = 4.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué expresión representa: "El triple de mi edad aumentado en 5 es 38"?
3x + 5 = 38
3x + 5x = 38
Answer explanation
La expresión correcta es 3x + 5 = 38, ya que representa 'El triple de mi edad aumentado en 5 es 38'.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué expresión representa: "La suma de dos numeros consecutivos es 33"?
x + x = 33
x + 2x = 33
x + (x+1) = 33
x + (x+2) = 33
Answer explanation
La expresión correcta es x + (x+1) = 33 porque se están sumando dos números consecutivos, donde el segundo número es el siguiente al primero.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué expresión representa: "La quinta parte de un número es 15"?
5x = 15
5x = 3(5)
Answer explanation
La expresión correcta que representa 'La quinta parte de un número es 15' es x/5 = 15, ya que divide el número entre 5 para obtener 15.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve:
2x - 2 = 8
x=5
x=3
x=4
x=7
Answer explanation
To solve the equation 2x - 2 = 8, first add 2 to both sides to isolate the variable. This gives 2x = 10. Then, divide by 2 on both sides to find x = 5. Therefore, the correct answer is x=5.
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