Les equacions biquadrades tenen
Equacions, inequacions i sistemes 4t ESO

Quiz
•
Mathematics
•
10th Grade
•
Medium
Xavier Ferrerons
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 solucions
2 solucions, una vertadera i una fictícia
Una solució irracional
Entre 0 i 4 solucions
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Analitza la inequació de 1r grau: 3x - 7 < 2.
x > 3
x < 3
x < 0
x = 3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Resol la inequació de 2n grau: x^2 - 4x - 5 > 0.
(-1, 5)
(-∞, 5)
(-∞, -5)
(-∞, -1) ∪ (5, ∞)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resol l'equació irracional que veus a l'esquerra
x = 22
x = 10
x = 15
x = 2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Troba les solucions de l'equació biquadrada: x^4 - 6x^2 + 8 = 0.
√2, -√2, 2, -2
2, 4, -2, -4
2 i -2
No té solució
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Resol l'equació racional que tens a l'esquerra
x = -2
x = 1
x = 2
No té solució
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Analitza la inequació de 1r grau: 2x + 3 ≥ 7.
x = 2
x < 2
x ≤ 1
x ≥ 2
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