
Quiz sobre Parábolas
Quiz
•
Mathematics
•
University
•
Hard
Diogo Rupolo
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o nome da reta fixa em uma parábola?
Vértice
Diretriz
Foco
Eixo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que as seções cônicas são chamadas assim?
Porque resultam da interseção de um cone com um plano.
Porque resultam da interseção de dois cones.
Porque resultam da interseção de um cone com uma esfera.
Porque resultam da interseção de dois planos.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a equação de uma parábola com foco (0, p) e diretriz y = -p?
x² = 4py
x² = 2py
x² = py
x² = 8py
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual é a diretriz da parábola y² + 10x = 0?
x = 5/2
x = -5/2
x = 10
x = -10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se uma elipse tem focos nos pontos (0, ±c) e vértices nos pontos (0, ±a), qual é a sua equação padrão?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a relação entre os parâmetros a, b e c em uma elipse?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se uma elipse tem focos nos pontos (±c, 0) e vértices nos pontos (±a, 0), qual é a condição para a e b?
(a > b > 0)
(a < b < 0
(a = b
(a > b < 0
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