
Rectes i plans
Authored by Teresa Arabí Arabí
Mathematics
12th Grade
Used 5+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quin és el vector director de la recta r?
(-6, 9, 6)
(3, 2, 0)
(0, 2, -3)
(2, -3, -2)
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Si el producte escalar de dos vectors és igual a zero, els vectors formen un angle de:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un punt de la recta r és:
(0, 0, -2)
(0, 0, 0)
(1, 1, 1)
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Donada l'equació de la recta r en forma continua, quina és la seua equació en forma paramètrica?
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
L'equació del plan que té per vector normal (2, -1, 3) i passa pel punt (0, 0, 3) és:
2x - y + 3z + 9 = 0
3x - y + 2z - 6 = 0
2x - y + 3z = 9
2x - y + 3z = -9
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Donada la recta i el pla, quin és l'angle que formen?
90º
0º
60º
30º
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quina és la posició relativa entre la recta i el pla?
Secants
Recta paral·lela al pla
Recta continguda en el pla
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