
coniche:circonferenza
Quiz
•
Mathematics
•
2nd Grade
•
Hard

rosa g
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La circonferenza di centro (1, -1) e passante per (0; 2) ha equazione:
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
L’equazione è una circonferenza:
di centro (2; 2) e raggio 1
di centro (-2; -2) e raggio 1
di centro (-2; -2) e raggio 3
di centro (2; 2) e raggio 3
non è una circonferenza
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Data la circonferenza quale delle seguenti affermazioni è vera?
il suo centro è l’origine
il suo centro si trova sull’asse x
il suo centro si trova sull’asse y
il suo centro si trova nel secondo quadrante
il suo centro si trova nel terzo quadrante
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La circonferenza di diametro A(-1; -6) e B(-1; -2) ha equazione
(𝑥−1)2 +(𝑦−4)2 =4
(𝑥−1)2 +(𝑦−4)2 =2
(𝑥+1)2 +(𝑦+4)2 =4
(𝑥+1)2 +(𝑦+4)2 =2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quale tra le seguenti circonferenze è tangente all’asse x?
𝑥2 + 𝑦2 + 2𝑥 − 2𝑦 + 1 = 0
𝑥2 + 𝑦2 + 2𝑥 − 2𝑦 + 8 = 0
𝑥2 + 𝑦2 + 2𝑥 = 0
𝑥2 + 𝑦2 - 1 = 0
nessuna delle precedenti
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Una sola delle seguenti rette è secante alla circonferenza
x2+ 𝑦2 -𝑥 − 2𝑦 -1 = 0. Quale?
y = x
y = -x
y = x + 1
y = 2x + 3
nessuna delle precedenti
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
L’equazione della semicirconferenza nel disegno è:
nessuna delle precedenti
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