Equacions de 2n grau

Quiz
•
Mathematics
•
8th Grade
•
Hard
Les Secundària
Used 72+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resol la següent equació de 2n grau:
6x²=0
x=+0 i x=-0
x=0
x=6
x=3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x²-25=0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x²-2x=0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x²+3x-10=0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aquesta és la fórmula per resoldre..
Equacions de primer grau
Totes les equacions de 2n grau
Les equacions de 2n grau amb estructura ax2 + bx + c = 0
Les equacions de 2n grau amb estructura ax2 + c = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De l'equació 2x2 + 3x = 2 podem dir que...
a= 2, b= 3, c= 2
a= 2, b= 3, c= - 2
a= 2x2, b=3x, c= 2
a= 2x2, b=3x, c= - 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La sol·lució de x + 3x2 - 2 = x + 2 - x2 és...
x1= 1 ; x2= -1
x1= - 1 ; x2= -1
x1= 1 ; x2= 1
No té sol·lució
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