7 III Periodo laboratorio DE MATEMATICA CMI

Quiz
•
Mathematics
•
7th Grade
•
Hard
alexander miranda
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
se compran 8 combos de hamburguesas y se pagan con un billete 50 d0lares sabiendo que un combo cuesta x dólares representa con una expresión algebraica el costo total de la compra
8x-50
50x-3y
8x-5y
8x-50y+8
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
escribe la siguiente expresión algebraicas omitiendo el signo
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Escribe la siguiente expresión algebraica omitiendo los signos de la división y multiplicación
4/3 (5-x-y/)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Traduce al lenguaje algebraico la siguiente expresión
el vuelto de comprar con un billete de 20 dólares a lápices y b borradores si cada lápiz cuesta 1 dólar y cada borrador vale 2 dólares
20-1a+2b
20+1a+1b
20a+2b-3a
20a-2b+1c
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ana compro una cartera cuyo precio original es x dólares con el 10% de descuento y un perfume con precio y dólares con un descuento del 15%cuanto gasto en total Ana?
x-10%+y-15%
10%+15%
x+y-10%
15-x+y%
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
si se tiene la expresión algebraica -5+a encuentra el valor numérico de la expresión a=-3
-8
8
15
-15
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
si se tiene la expresión algebraica 12-2x encuentra el valor numérico de la expresión cuando x = 8
-4
10
16
4
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