
Equazioni di Secondo Grado
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Gloria Coppola
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la formula risolutiva per le equazioni di secondo grado complete?
x = (-b ± √(b^2 - 4ac)) / 2a
x = (b ± √(b^2 - 4ac)) / 2a
x = (-b ± √(b^2 - 4ac)) / a
x = (-b ± √(b^2 + 4ac)) / 2a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale è il discriminante dell'equazione x^2 - 5x + 6 = 0?
4
3
2
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale delle seguenti equazioni è completa: a) x^2 + 3x = 0, b) 2x^2 - 4x + 1 = 0, c) 4x^2 = 16?
b) 4x^2 = 8
a) 4x^2 = 16
c) 4x^2 = 16
c) 2x^2 = 16
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale è la soluzione dell'equazione 2x^2 - 8 = 0?
x = ±2
x = ±4
x = ±3
x = ±1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale è il discriminante dell'equazione 3x^2 + 2x - 5 = 0?
12
-64
25
64
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale delle seguenti equazioni è incompleta: a) x^2 - 9 = 0, b) 4x^2 + 12 = 0, c) 2x^2 - 5x = 0?
a) 3x^2 - 7x = 0
c) 2x^2 - 5x = 0
b) x^2 + 4 = 0
c) 2x^2 + 3x = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale è la soluzione dell'equazione x^2 + 6x + 9 = 0?
x = 0
x = -3
x = -6
x = 3
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale è il discriminante dell'equazione 5x^2 - 2x + 1 = 0?
-12
9
-16
4
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