

inecuaciones de segundo grado
Presentation
•
Mathematics
•
1st Grade
•
Hard
Johnmar Mora
Used 2+ times
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7 Slides • 0 Questions
1
inecuaciones de segundo grado

2
x² + 2x +1 ≥ 0
Igualamos el polinomio del primer miembro a cero y resolvemos la ecuación
x² + 2x +1 = 0
3
a= 1
b= 2
c= 1
Aplicamos la resolvente.
4
Obtenemos una raíz doble. Factorizamos:
(x + 1)² ≥ 0
Como un número elevado al cuadrado es siempre positivo la solución es los reales.
5
x² + x +1 > 0
Igualamos el polinomio del primer miembro a cero y resolvemos la ecuación
x² + x + 1 = 0
6
a= 1
b= 1
c= 1
Aplicamos la resolvente.
7
Cuando no tiene raíces reales, le damos al polinomio cualquier valor, por
ejemplo x = 0
0² + 0 +1 > 0
Como se cumple la desigualdad, la solución es los reales.
inecuaciones de segundo grado

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