
2. Equacions de segon grau
Authored by Jordi Finazzo-Agró
Mathematics
9th Grade
Used 6+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Resol l'equació: x² - 5x + 6 = 0
x = 2, x = 3
x = -2, x = -3
x = 1, x = 4
x = 0, x = 6
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Aplica la fórmula quadràtica a: 2x² + 3x - 5 = 0
x1 = 2, x2 = -1
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Quines són les solucions de: x² + 4x + 4 = 0?
x = 2
x = 0
x = -4
x = -2
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Resol l'equació: 3x² - 12 = 0
x = 4 or x = -4
x = 1 or x = -1
x = 2 or x = -2
x = 3 or x = -3
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Aplica la fórmula quadràtica a: x² - 2x - 8 = 0
x = 2, x = -4
x = 0, x = 8
x = 3, x = -3
x = 4, x = -2
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Quines són les arrels de: 5x² + 10x = 0?
x = 2, x = -3
x = 0, x = 1
x = 1, x = -5
x = 0, x = -2
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Resol l'equació: x² + 6x + 9 = 0
x = -3
x = 0
x = -6
x = 3
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