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Samanda f
Samanda f asked in Ciencias y matemáticasMatemáticas · 1 decade ago

FUNCION f(x)=2x²-12x+16 como saco el eje de interseccion x,y vertice etc...?

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  • Anonymous
    1 decade ago
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    para sacar interseccion con el eje y, reemplazas la "x" por cero.. osea q te queda y=16.

    para sacar interseccion con el eje x, usas la formula resolvente.. q te dan 2 raices x=4 x=2

    para sacar la x del vertice usas -b/2.a en nuestro caso b=-12 a=2.. por lo tanto te queda x=3

    para sacar la y del vertice reemplazas lo q sacaste anteriormente en la funcion.. te queda y=-2

    el punto del vertice es (3;-2)

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