Matemáticas
Quiz
•
Mathematics
•
8th Grade
•
Medium
Majo Rada
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una ecuación lineal
La fórmula general de ecuaciones cuadráticas
El teorema de Pitágoras
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué parte de la fórmula general es utilizada para obtener el discriminante?
-b±√b²
√b²-4ab
b²-4ac
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Encuentra los factores de la siguiente ecuación r²-2r-35=0
r (r²-7) (5)
(r - 7) (r + 5)
r² (7 - 5) (r)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifica en la siguiente ecuación cuadrática los valores de a, b, c
4w² - 16w + 24 = 0
a= 4
b= 16
c= 24
a= 16
b= 4
c= 24
a= 4
b= 24
c= 16
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si el discriminante es mayor que cero o positivo, la ecuación tiene:
una solución real (r)
no tiene soluciones reales
tiene 2 soluciones reales y diferentes
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si el discriminante es menor que cero o negativo, la ecuación tiene:
una solución real (r)
no tiene soluciones reales
tiene 2 soluciones reales y diferentes
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si el discriminante es igual que cero, la ecuación tiene:
una solución real (r)
no tiene soluciones reales
tiene 2 soluciones reales y diferentes
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