Asse di simmetria
PARABOLA

Quiz
•
Mathematics
•
8th Grade
•
Hard
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Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
y = -\frac{b}{2a}
y = \frac{b}{2a}
y = 2a + b
y = -b + 2a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quante sono le possibili intersezioni di una parabola con l'asse @@x@@?
1
2
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali sono le intersezioni con l'asse x della parabola @@y=x^2-3x@@?
(0;0) (3;0)
(1;0) (2;0)
(0;3) (3;0)
(0;0) (1;2)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali sono le intersezioni con gli assi della parabola @@y=x^2-1@@?
asse x : (1;0) (−1;0) e asse y: (0;−1)
asse x : (2;0) (−2;0) e asse y: (0;1)
asse x : (0;1) (0;−1) e asse y: (1;0)
asse x : (1;0) (0;1) e asse y: (−1;0)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quanti punti servono per disegnare una parabola?
Due punti
Almeno tre punti
Quattro punti
Un punto
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è l'equazione di una parabola che passa per l'origine degli assi?
@@y=ax^{2}+bx@@
@@y=ax^{2}@@
@@y=bx+c@@
@@y=ax^{2}+c@@
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il significato dei parametri a, b, c ?
a : concavità e apertura
b : posizione del vertice
c : intersezione asse y
a : intersezione asse x
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