thatsmyname1997 thatsmyname1997
  • 01-11-2018
  • Mathematics
contestada

Write y = x2 −14x + 52 in vertex form.

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carlosego
carlosego carlosego
  • 11-11-2018

To write this equation in vertex form, we must use the method of square completion.


For this we do the following procedure:

1) [tex]y = (x ^ 2-14x) +52[/tex] Separate the x

2) [tex]y = (x ^ 2 -14x + (14/2) ^ 2) +52 - (14/2) ^ 2[/tex] add and subtract [tex](b / 2) ^ 2[/tex]

     Where b is the coefficient of x

    [tex]y = (x ^ 2 -14x + 49) +52 - 49[/tex]

3) [tex]y = (x-7) ^ 2 + 3[/tex] We factor the terms within the parentheses and we have written the equation in the form of vertex.

Finally, the vertex of the equation is: (7,3)

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