Examen de Grado

Quiz
•
Mathematics
•
12th Grade
•
Hard
Manuel Delgado
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una industria de lácteos tiene dos productos representativos: leche (x) y queso (y), cuyo precio de venta es de 3 dólares y 5 dólares respectivamente. La grafica representa las restricciones del proceso de producción y comercialización: insumo (5x+4y≤20) y volumen de producción (x+2y≤4). Determine la cantidad de leche y queso que maximiza la utilidad.
25
17
32
18
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un productor de ropa para damas que utiliza un modelo de costo de producción lineal determinó que si se produce 80 blusas, el costo total seria de 350 dólares, mientras que si se produce 120 pantalones, el costo total seria de 600 dólares. Determine la razón de cambio de las unidades de producción respecto al costo de producción.
0,16
0,25
6,25
5,25
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dados los planos 5x – 2y + 3z = 5 y 3x + 4y – 2z = 3, determine si son paralelos, perpendiculares o ninguno de los casos.
Paralelos
Perpendiculares
Ninguno de los casos
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine si las rectas cuyas ecuaciones se dan son paralelas, perpendiculares, secantes o coincidentes.
L_1: 15x+9y-2=0 L_2: -3x+5y=4
Paralelas
Perpendiculares
Secantes
Coincidentes
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine si las rectas son paralelas, coincidentes, oblicuas o se interceptan:
l_1 (t)=(-2,5)+t(3,-4) l_2 (t)=(5,-2)+t(7,-2)
Paralelas
coincidentes
oblicuas
se interceptan
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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