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ECUACIÓN DE PRIMER GRADO
Eliminamos denominadores.
m.c.m. (15, 20, 5)= 22 · 2 · 5 = 60
Eliminamos paréntesis.
Transponer términos.
Simplificamos.
Despejamos x:
; x=15
Comprobamos la solución:
;
ECUACIÓN DE SEGUNDO GRADO
! Ecuación de segundo grado
ECUACIONES POLINÓMICAS CON UNA RAÍZ ENTERA
Pág.62 Ejer.5
Posibles raíces: 1, 3, 9
1 0 -10 0 9
1 1 1 -9 -9
1 1 -9 -9 0
-1 -1 0 9
1 0 -9 0
-3 -3 9
1 -3 0
3 3
1 0
ECUACIÓN IRRACIONAL/RADICAL
(la incógnita aparece bajo el signo radical)
Se aísla un radical en uno de los miembros.
Elevamos los dos miembros al cuadrado.
Se opera y si queda algún radical se repite el proceso.
Se resuelve la ecuación.
Se comprueba si las soluciones verifican la ecuación dada:
SOLUCIÓN: x = 4
SISTEMAS DE PRIMER Y SEGUNDO GRADO POR SUSTITUCIÓN
Ahora sustituyo en la primera:
ECUACIONES EXPONENCIALES
Son aquellas en las que la incógnita aparece en el exponente.
Ejemplos:
ECUACIONES LOGARÍTMICAS
Son aquellas en las que la incógnita está sometida a la operación logaritmo.
INECUACIONES DE PRIMER GRADO
INCECUACIONES DE SEGUNDO GRADO
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Enviado por: | Liarit |
Idioma: | castellano |
País: | España |