Examen de Matemáticas 2do Mecanizado

Quiz
•
Mathematics
•
11th Grade
•
Hard
LILY RIOS
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dados los vectores u=-3,2, v=6,4, w=5,-3 resolver las operaciones: -v×w+4u×2w
a) -80
b) -210
c) -59
d) ninguna de las respuestas anteriores.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dados los vectores u=-3,2, v=6,4, w=5,-3 resolver las operaciones: 2u-v+12w
r=-3,5
r=-192, -32
r=-11,7
Ninguna de las respuestas anteriores
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dada la ecuación de la circunferencia x2+y2-4x-8y-4=0, obtener el centro y el radio.
C(-3,5) r=4
C(2,4) r=24
C(5,-3) r=4
Ninguna de las anteriores respuestas.
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dado el V=3, -2, LR=8, si su eje focal es horizontal, encuentre la ecuación de la parábola.
a) x2-2x-10y-19=0
b) y2+4y-8x+28=0
c) y2+4y-10x+14=0
d) Ninguna de las anteriores respuestas.
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dado los elementos de la elipse, V(4,-2), C(4,2), F(4,-1) encuentre su ecuación.
a) 25x2+16y2-200x-96y+144=0
b) 16x2+7y2-128x-28y+172=0
c) 16x2+25y2-128x-150y+81=0
d) Ninguna de las respuestas anteriores.
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dada la ecuación de la circunferencia x2+y2-6x+8y+9=0, obtener el centro y el radio.
C(3,-4) r=5
C(-2,4) r=3
C(5,2) r=4
Ninguna de las anteriores respuestas.
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dada la ecuación de la parábola y2+6y-4x-10=0, obtenga el foco y lado recto.
F(3,-7) LR=8
F(-2,3) LR=5
F(7,3) LR=6
Ninguna de las respuestas anteriores.
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