
PRACTICA
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Dania Avalos
Used 5+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La ecuación de la circunferencia cuyo radio mide 6 unidades y cuyo centro se encuentra en O(1,-4) corresponde a
(x+1)²+(y-4)²=12
(x-1)²+(y+4)²=12
(x+1)²+(y-4)²=36
(x-1)²+(y+4)²=36
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sea C una circunferencia con centro A, como se muestra en la siguiente figura:
Considere las siguientes proposiciones referidas a C:
I- El punto (4,6) se encuentra al exterior de la circunferencia
II- La ecuación de la circunferencia es (x-4)²+(y-3)=16
De ellas son verdaderas
Ambas
Ninguna
Solo la I
Solo la II
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Considere la siguiente representación gráfica que corresponde a la circunferencia C con centro P.
De acuerdo con la información anterior, ¿cuál es la ecuación de la circunferencia?
(x-4)²+y²=4
(x+4)²+y²=4
x²+(y-4)²=4
x²+(y+4)²=4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
considere la siguiente representación gráfica de la circunferencia C con centro A(-1,0) y un radio de 2 unidades.
¿Cuál de las siguientes rectas es tangente a la circunferencia C
x=0
x=1
X=2
x=4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Considere las siguientes proposiciones:
I- La recta y=-x es secante a C.
II- La recta y=-3 es tangente a C.
De ellas son verdaderas
Ambas
Ninguna
Solo la I
Solo la II
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
-Considere las siguientes proposiciones referidas a la circunferencia C dada por (x+1)²+y²=2.
I- La recta x=1 es exterior a C.
II- La recta y=1 es exterior a C.
De ellas son verdaderas
Ambas
Ninguna
Solo la I
Solo la II
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Considere la circunferencia C de centro (2,0) y radio 2
Si C se traslada, desplazando su centro 3 unidades a la izquierda (sobre el eje X) y 1 unidad hacia abajo (paralelo a Y), entonces la ecuación de la nueva circunferencia es:
(x-1)²+ (y-1)²=4
(x+1)²+ (y+1)²=4
(x-3)²+ (y-2)²=4
(x+3)²+ (y+2)²=4
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