2T.Examen intermedio de matemáticas

Quiz
•
Mathematics
•
12th Grade
•
Hard
JUAN PUENTES
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Calcula el perímetro de un terreno rectangular que mide 2x+3y de base y 2x-3y de altura
8x
8x+12y
4x+9y
4x
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cuál es la regla de la siguiente sucesión: -10, -8, -6, -4...
-2n-8
-2n
2n-12
n-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elige la opción que representa expresiones algebraicas equivalentes
2n+1=7
2(n+3) = 2n+6
2n-4 = 2(n-4)
2n(n+3) = 2n+6
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diego compró un cuaderno por 8x pesos, un libro por 25y pesos, un block por 2x pesos y una carpeta por 12y pesos. Si paga con un billete de $500. ¿Cuánto le darán de cambio?
47
453
- 500 + 10x - 37y
500 - (10x + 37y)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La mamá de Lupita fue al mercado y compró 7n kg de plátanos, 5m de manzanas, 13n de peras y 10m de guayabas. ¿Cuántos kilogramos pesará la bolsa?
15n + 20m
20n +15m
35
20 + 15m
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles son las características de los términos semejantes que les permite la adición y sustracción de coeficientes?
Tener el mismo signo y coeficiente
Tener la misma literal y exponente
Tener el mismo signo y exponente
Tener el mismo coeficiente y literal
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál es la solución del siguiente sistema de ecuaciones?
x + y= 500
10x+20y= 8000
x= 200, y= 300
x= 20, y= 30
x= - 200, y= - 300
x= 2, y= 3
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