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09-02-2018
Mathematics

contestada

A. y = (x+3)^2-5

B. x = -3(y+5)^2

C. y = (x-5)^2+3

D. y = (x+3)^2+5

A y x325 B x 3y52 C y x523 D y x325 class=

Respuesta :

26-07-2018

The vertex form of the parabola:

[tex]f(x)+a(x-h)^2+k\\\\(h;\ k)-a\ vertex[/tex]

We have the coordinates of a vertex

[tex](-3;-5)\to h=-3;\ k=-5[/tex]

substitute:

[tex]y=(x-(-3))^2+(-5)=(x+3)^2-5[/tex]

Answer: A. y = (x + 3)² - 5

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