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Pasos para encontrar soluciones en el eje x "función cuadrática"

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Ejes de intersección en el eje x.

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Pasos para encontrar soluciones en el eje x "función cuadrática"Online version

Ejes de intersección en el eje x.

by Rafael Guillermo Diaz Mendez
1

Determine la solución de la siguiente ecuación .


2x^2 - 5x + 2 = 0

1 . Términos

a = b = - c =


2 . Discriminante

? = b^2 - 4ac
? = - - ( ) ( )
? = -
? =
? >0 ? 02

3 . Formula general


x = - b± ? ? / 2a

x_1 = - ( - b ) + ? ? / 2 ( a )
x_1 = - ( - ) + ? 9 / ( 2 ( ) )
x_1 = + ? 9 / ( 2 ( 2 ) )
x_1 = ( 5 + ) / ( 2 ( 2 ) )
x_1 = / ( 2 ( 2 ) )
x_1 = 8 /
x_1 =

x_2 = - ( - b ) - ? ? / 2 ( a )


x_2 = - ( - ) - ? 9 ) / 2 ( )
x_2 = ( - ? 9 ) / 2 ( 2 )
x_2 = ( 5 - ) / 2 ( 2 )
x_2 = / 2 ( 2 )
x_2 = 2 /
x_2 = /

Entonces x_1 = y x_2 = /


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