Test parabola - classe III Liceo

Quiz
•
Mathematics
•
12th Grade
•
Hard

LUCIA LETTI
Used 9+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La parabola di equazione y=2x2-4x+7 ha la concavità rivolta verso e vertice nel punto:
V(-1, 13)
V(-1 ; 5)
V(1; -5)
V(1;5)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Considera la parabola di equazione y=x2+6x-1 . La parabola passa per il punto:
P(-1; -8)
P(-1; 6)
P(-2; -9)
P (-2, 9)
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Stabilisci se la seguente affermazione è vera o falsa. Le due parabole di equazioni y=x2-3x+1 e y=-x2+3x+1 hanno lo stesso asse di simmetria.
V
F
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La parabola con concavità verso l'alto e che passa per i punti (-3;0) e (1; 0) ha equazione:
y=(x+3)(x+1)
y=(x-3)(x-1)
y=(x+3)(x-1)
y=(x-3)(x+1)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La parabola y=-x2-8x ha:
concavità verso l'alto e passa per l'origine
concavità verso il basso e passa per l'origine
concavità verso il basso e non passa per l'origine
concavità verso l'alto e non passa per l'origine
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
L'equazione y=4(x-1)2 -3 è quella di una parabola con asse parallelo all'asse y e vertice nel punto:
V(-1;3)
V(-1;-3)
V(1;-3)
V(-3;1)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
L'equazione della tangente alla parabola y=x2-4x+7 nel suo punto P(3;4) è:
y=-x+7
y=2x+6
y=-x-7
y=2x-2
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