Repaso UG
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Hard
Matemática Numérico
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al despejar la variable z en la expresión: t = √(2x/(3y-z))
z = (t^2/2x) - 1/3y
z = 3y-(2x/t^2)
z = 1/3y - (t^2/2x)
z = (2x/t^2) - 3y
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determina el dominio de la función: f(x) = √(3x + 9)
(−∞, 3]
[3, ∞)
[-3, ∞)
(−∞, -3]
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Halla el vértice de la parábola: g(x) = -2x² + 4x - 1
V(0, -1)
V(2, 3)
V(1, -1)
V(1, 1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Encuentra la derivada de la función: f(x) = tan (6x) + cos (x)
f'(x) = sec^2(6x) - sin (x)
f'(x) = tan(6x) - cos(x)
f'(x) = 6 sec^2(6x) - sin(x)
f'(x) = 6 sec^2(6x) + sin(x)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la distancia entre los puntos C(5, 1, −3) y D(−2, 4, 6).
146
√139
√146
139
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un vector en el espacio tridimensional se define como:
Un punto en un plano cartesiano
Una cantidad que tiene solo magnitud
Una cantidad que tiene magnitud y dirección
Un número real
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si dos vectores son paralelos, su producto vectorial es:
Un vector perpendicular a ambos.
El vector nulo (cero)
Un número escalar
No se puede calcular
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