
Equazioni di Secondo Grado
Authored by Alessio Piscopo
Mathematics
9th Grade
8 Questions
Used 1+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la forma generale di un'equazione quadratica?
ax² + b + c = 0
ax² - bx + c = 0
a²x + bx + c = 0
ax² + bx + c = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifica i coefficienti nell'equazione 2x² - 4x + 1 = 0.
1, -4, 2
2, -3, 1
3, -4, 0
2, -4, 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcola il discriminante dell'equazione x² + 6x + 9 = 0.
9
6
0
-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trova le radici dell'equazione 3x² - 12x = 0.
x = 0, x = 4
x = -4, x = 0
x = 1, x = 3
x = 2, x = 6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il vertice della parabola rappresentata da y = x² - 4x + 3?
(0, 3)
(1, -1)
(2, -2)
(3, 0)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Applica la formula quadratica per risolvere 2x² + 3x - 5 = 0.
x1 = 1, x2 = -2.5
x1 = 0, x2 = 5
x1 = 2, x2 = -1
x1 = -1, x2 = 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Disegna il grafico della parabola y = -x² + 2x + 1.
The graph has x-intercepts at (0, 1) and (2, 0).
The graph of the parabola y = -x² + 2x + 1 is an upward-opening curve with vertex at (1, -2).
The graph of the parabola y = -x² + 2x + 1 is a downward-opening curve with vertex at (1, 2), x-intercept at (1, 0), and y-intercept at (0, 1).
The y-intercept of the graph is at (1, 0).
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