
3sci-trasformazioni
Authored by Anna Pavan
Mathematics
7th - 12th Grade
Used 3+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quali sono i tipi di isometrie?
Traslazioni, rotazioni e omotetie
Congruenze, traslazioni e rotazioni
Congruenze, omotetie, similitudini e simmetrie assiali
Traslazioni, rotazioni, simmetrie centrali e assiali
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In una omotetia di rapporto k=2 i perimetri sono in rapporto
2
4
6
8
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In una omotetia di rapporto k=3 le aree sono in rapporto
3
6
9
12
15
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
La similitudine si ottiene componendo per esempio
Una traslazione e una omotetiea
Una traslazione e una rotazione
Una simmetria e una omotetia
Una traslazione e un allargamento solo lungo x
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nella seguente figura è mostrato l’esempio di una omotetia.
Quanto vale il rapporto di omotetia?
-2
2
1
-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Le seguenti equazioni:
x'=5−x
y'=y
rappresentano una simmetria assiale rispetto a un asse di equazione:
x=5/2
y=5/2
y=x
y=-10
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nella traslazione di vettore v(2;1) la retta r di equazione y=2x+1viene trasformata nella retta r′ di equazione:
y=2x+1
y=2x−2
y=2x+2
y=2x
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