
Sfide di Matematica per il Decimo Anno
Authored by teresa cavaliere
Mathematics
10th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvi il sistema lineare: 2x + 3y = 6 e x - y = 2.
(12/5, 2/5)
(3, 0)
(1, 1)
(0, 2)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determina le radici dell'equazione di secondo grado: x² - 5x + 6 = 0.
x = 2, x = 3
x = 4, x = 2
x = 1, x = 6
x = 0, x = 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvi il sistema lineare: 3x - 2y = 4 e 4x + y = 11.
(2, 3)
(26/11, -93/11)
(1, 5)
(0, 0)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analizza l'equazione di secondo grado: 2x² + 3x - 5 = 0.
x₁ = 3, x₂ = -1
x₁ = 0, x₂ = -5
x₁ = 1, x₂ = -2.5
x₁ = 2, x₂ = -1.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcola il valore di √(16) + √(9).
10
7
5
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Risolvi l'equazione fratta: (x + 2)/(x - 1) = 3.
2.5
1
4.5
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determina le radici dell'equazione di secondo grado: x² + 4x + 4 = 0.
x = -2
x = -1
x = 2
x = 0
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