
Equacions de 2n grau (1)
Quiz
•
Mathematics
•
9th Grade
•
Hard
Neus Isern
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x = 3
x = -3
Les dues són correctes
Cap de les dues és correcta
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tot i no saber quin era el 1r nombre d'aquesta equació puc assegurar que...
No té solució
Té només una solució
Té dues solucions
No puc assegurar res sense saber el nombre
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
a = 2, b = 3, c = -3
a = 2, b = -2, c = -3
a = 2, b = 5, c = 3
a = 2, b = -1, c = 3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La fórmula de les equacions de 2n grau és...
5.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
6.
OPEN ENDED QUESTION
5 mins • 1 pt
Quan és que una equació de 2n grau no té solució?
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7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un rectangle té una àrea de 48 cm2 i la base fa 2 cm més que l'altura.
Quina equació correspon a aquest problema?
x·(x+2)=48
x+(x+2)=48
(x+2)·(x-2)=48
2·(x+2)=48
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