
test retta
Authored by Paola D'Antone
Mathematics
7th Grade
Used 3+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quale tra le seguenti è l'equazione di una retta che taglia l'asse y nel punto di ordinata -5?
x + y + 5 = 0
5y = -2x + 5
y - 5x = 1
x + 5 = 0
y - 5 = 0
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quale delle seguenti affermazioni è errata. Il coefficiente angolare di una retta….
parallela alla bisettrice del II e IV quadrante è uguale a –1
perpendicolare all'asse delle ordinate è uguale a 0
parallela alla bisettrice del I e III quadrante è uguale a 1
passante per l'origine delle coordinate è sempre uguale a 1
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quale tra le seguenti è l'equazione della retta rappresentata in figura?
3x+y-1=0
y=-3x-3
y=2x-3
x+3=0
y =3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considera la retta r di equazione
x - 2y + 1 = 0 , e le rette:
(1) x - 2y -1 = 0 , (2) -2x + y + 1 = 0 ,
(3) 2x + y - 1 = 0 , (4) 4x + 2y - 1 = 0
Puoi affermare che:
solo la (2) è perpendicolare ad r
nessuna è perpendicolare ad r
solo la (3) è perpendicolare ad r
la (3) e la (4) sono perpendicolari ad r
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale delle seguenti rette è parallela all’asse y ?
y+3x=0
y-5=0
x-7=0
y=0
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Considera la retta di equazione
y = 2x - 1.
Una delle sue rette parallele ha equazione ...
2x - 3y + 1 = 0
x + 2 = 0
- 2x + y - 3 = 0
y - x = 2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Considera la retta di equazione
y = -3x + 2.
Una delle sue rette perpendicolari ha equazione ...
- 3x + y - 2 = 0
3y + 2 = 0
y - 3x = -1
x - 3y + 1 = 0
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