SECCIONES CÓNICAS: CIRCUNFERENCIA
Quiz
•
Mathematics, Education
•
10th Grade
•
Hard
ajn anglo
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es el centro de la circunferencia x2+ y2 - 2x + 6y - 90 = 0?
C(-1, 3)
C(1, -3)
C(2, -3)
C(-2, 3)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
¿Cuál es el centro y radio de la circunferencia 2x2+ 2y2 + 2x - 2y - 1 = 0?
C(-1, 1/2) : r = 1/2
C(2, 1) : r = 2
C(-1/4, 1/4) : r = 1/4
C(-1/2, 1/2) : r = 1
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El centro y radio de la ecuación de la circunferencia x2 + y2 + 6x - 8y - 2 = 0 es
C(-3, 4) : r = √27
C(1, 2) : r = 27
C(1,6) : r = √12
C(7, -5) : r = 12
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Una circunferencia con radio igual a 4 y centro en (2,-1) tiene ecuación general:
x2 + y2 - 4x + 2y + 5 = 0
x2 + y2 - 4x + 2y - 11 = 0
x2 + y2 - 11 = 0
x2 + 2y2 - 4x + 2y + 5 = 0
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La circunferencia y2 - 4y + x2 - 6x - 3 = 0 tiene:
Centro el punto (-1,-3)
Radio igual a 4
directriz tiene como ecuación x=-2
Centro el punto (4,-2)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un elemento que no pertenece propiamente a la circunferencia es:
Punto
Diámetro
Centro
tangente
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Las secciones cónicas se definen como:
Figura geométrica cerrada cuyos puntos están a una distancia constante r, llamada radio, del centro (C).
Sección cónica de excentricidad igual a 1, resultante de cortar un cono recto con un plano cuyo ángulo de inclinación respecto al eje de revolución del cono sea igual al presentado por su generatriz.
Lugar geométrico de todos los puntos de un plano, tales que la suma de las distancias a otros dos puntos fijos, llamados focos, es constante.
Todas las curvas resultantes de las diferentes intersecciones entre un cono y un plano; si dicho plano no pasa por el vértice, se obtienen las cónicas propiamente dichas.
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