
Equacions de 2n grau. (Darrer repàs)
Quiz
•
Mathematics
•
10th Grade
•
Medium
SERGI ESTEBA OLARIA
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resol l'equació de segon grau: x^2 - 5x + 6 = 0
x = 2, x = 3
x = -2, x = -3
x = 0, x = 6
x = 1, x = 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Troba les arrels de l'equació 2x^2 + 3x - 2 = 0
Les arrels de l'equació són x = 1 i x = -2
Les arrels de l'equació són x = 0.5 i x = -2
Les arrels de l'equació són x = -1 i x = 2
Les arrels de l'equació són x = 0.5 i x = 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el discriminant de l'equació x^2 + 4x + 4 = 0
4
0
-4
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resol l'equació de segon grau: 3x^2 - 7x + 2 = 0
Les solucions són x = 1/4 i x = 4
Les solucions són x = 1/5 i x = 5
Les solucions són x = 1/2 i x = 3
Les solucions són x = 1/3 i x = 2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Troba les solucions de l'equació 4x^2 - 4x - 3 = 0
x = 0.5 i x = -0.75
x = 1.5 i x = -0.25
x = 2 i x = -1
x = 3 i x = -2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determina si l'equació x^2 + 6x + 9 = 0 té una solució real o no
No té una solució real
Té dues solucions reals
Té una solució imaginària
Té una solució real
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resol l'equació de segon grau: 2x^2 + 5x - 3 = 0
x = 1.5 i x = -2
x = 3 i x = -1
Les solucions són x = 0.5 i x = -3
x = 0 i x = -5
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