
Proporcionalidad directa e inversa.
Authored by Viviana Paz
Mathematics
7th - 8th Grade
Used 133+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
" Una variable aumenta y la otra disminuye" . La definición corresponde a:
Proporcionalidad indirecta
Proporcionalidad directa
Proporcionalidad inversa
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿A qué tipo de proporcionalidad corresponde la siguiente frase? "Se resuelve usando regla de 3, se multiplica cruzado y luego dividir por el tercer término.
Proporcionalidad Directa
Proporcionalidad inversa
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
El jefe de un taller tiene 8 trabajadores para terminar una obra en 12 días. Si le piden que se terminen las obras en 6 días. ¿Cuántos trabajadores necesita?
4 trabajadores.
8 trabajadores.
16 trabajadores.
2 trabajadores .
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Si 250 gramos de orégano cuestan 350. ¿Cuánto cuestan 600 gramos?
$840
$980
$1.900
$145
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
En la biblioteca cobran $300 por utilizar en 1 mes los libros. ¿Cuánto habría que pagar 3 meses?
6000
900
9000
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Observa la tabla de proporcionalidad directa. ¿Cuál es la constante de proporcionalidad?
k: 0,4
k: 12
k: 4
k: 1,5
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿ Cuál es el valor que falta para que se cumpla la proporción?
10
3
8
4
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