Equacions de segon grau
Authored by David Méndez
Mathematics
7th Grade
Used 17+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El coeficient "A" en l'equació 5x2 + 4x -12 = 0 és:
4
5
12
0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El coeficient "B" en l'equació 6x2 + 7x + 5 = 0 és:
0
6
5
7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El coeficient "C" en l'equació 3x2 + 9x + 5 = 0 és:
5
3
0
9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El resultat de qualsevol número (positiu o negatiu) elevat al quadrat serà SEMPRE positiu.
Verdader
Fals
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El resultat de qualsevol número elevat al cub serà:
Sempre positiu
Sempre negatiu
Dependrà de si el número que elevem es positiu o negatiu.
No es pot elevar al cub
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
L' equació de segon grau 4x2 -4x +10 = 0 és
Incompleta
Completa
No és una equació.
No és de segon grau.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El resultat de -42 és:
-16
8
-8
16
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