1 trimes 3bgu matematicas 23-24
Quiz
•
Mathematics
•
12th Grade
•
Hard
Gustavo Cachiguango Mosquera
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleccione: ¿Qué son los términos semejantes ? (puntos 0.5)
Términos con variables diferentes pero el mismo exponente
Términos con la misma variable y exponente
Términos con diferentes variables y exponentes
Términos con la misma variable pero diferentes exponentes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escoja: ¿Cuál es la forma general de una ecuación cuadrática? ( puntos 0.5)
ax2 + c = bx
ax2 + bx + c = 1
ax2 + bx + c = 0
ax2+ bx = c
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la relación entre el discriminante y las soluciones de una ecuación cuadrática? (puntos 0.5)
El discriminante no tiene relación con las soluciones de una ecuación cuadrática.
El discriminante determina el valor de las soluciones de una ecuación cuadrática.
El discriminante determina la naturaleza de las soluciones de una ecuación cuadrática.
El discriminante solo se aplica a ecuaciones lineales, no cuadráticas.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula general para resolver una ecuación cuadrática? (puntos 0.5)
x = (-b ± √(b2 + 4ac)) / (2a)
x = (-b ± √(b2 - 4ac)) / (2a)
x = (b ± √(b2- 4ac)) / (2a)
x = (-b ± √(b + 4ac)) / (a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el discriminante de la ecuación cuadrática: x2 + 4x + 4 = 0 (puntos 0.5)
2
0
16
-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el discriminante de la ecuación cuadrática: 2x2 - 5x + 2 = 0 (puntos 0.5)
0
9
4
-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resuelve la siguiente ecuación cuadrática por factorización: x2 - 9 = 0 (puntos 0.5)
X2 = 4, X1= -4
X1= 2, X2 = -2
X1= 1, X2 = -1
X1 = 3, X2 = -3
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