
retta e piano cartesiano
Authored by STEFANIA MANIAS
Mathematics
8th Grade
Used 146+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è il coefficiente angolare della retta passante per i punti A(2; -3) e B(4;1)?
3
2
-2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è l'equazione della retta passante per i punti A(6; 0) e B(0; - 3)?
y=2x+6
y=6x−3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Osservando la figura si deducono le seguenti affermazioni. Una sola è falsa. Quale?
Le rette r,s,t hanno termine noto positivo
Il coefficiente angolare della retta t è minore di quello di r.
I coefficienti angolari di r e s sono discordi.
Il coefficiente angolare di s è maggiore di quello di t.
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è la distanza fra i punti A(- 5; 2) e B(3; 2) rappresentati in figura?
3
5
-2
8
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è il punto medio di un segmento AB di coordinate
A(- 2; 6) e B(4; 2)?
(1; 4)
(0; 3)
(4; 1)
(- 1; 4)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dato il triangolo di vertici A(1; 1), B(5; 3) e C(0; 3) in figura, la sua area è:
8
10
5
12
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual è l'equazione della retta passante per A(1; - 2) e perpendicolare alla retta y=2x+3 ?
y=x-2
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