
La parábola
Authored by Ángel Ángel
Mathematics
7th Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. ¿Cuál es la forma estándar de la ecuación de una parábola que se abre hacia arriba o hacia abajo?
a) \(y = ax^2 + bx + c\)
b) \(x = ay^2 + by + c\)
c) \(y = a(x - h)^2 + k\)
d) \(x = a(y - k)^2 + h\)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el vértice de la parábola \(y = a(x - h)^2 + k\)?
a) \((a, k)\)
b) \((h, k)\)
c) \((h, a)\)
d) \((k, h)\)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se llama el punto más bajo de una parábola que se abre hacia arriba?
a) Vértice
b) Foco
c) Directriz
d) Eje de simetría
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la ecuación de la parábola es \(y = 2(x - 1)^2 + 3\), ¿en qué punto está el vértice?
a) \((1, 3)\)
b) \((3, 1)\)
c) \((2, 3)\)
d) \((1, 2)\)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula para el eje de simetría de la parábola \(y = ax^2 + bx + c\)?
a) \(x = \frac{b}{2a}\)
b) \(x = -\frac{b}{2a}\)
c) \(x = -\frac{b}{a}\)
d) \(x = \frac{b}{a}\)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué indica el valor del coeficiente "a" en la parábola \(y = ax^2 + bx + c\)?
a) El punto de intersección con el eje y
b) La amplitud de la parábola
c) La dirección de apertura de la parábola
d) El valor del vértice
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la distancia focal en la parábola \(y = \frac{1}{4p}x^2\)?
a) \(p\)
b) \(\frac{1}{4p}\)
c) \(4p\)
d) \(2p\)
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