anonymous
  • anonymous
What is the vertex of this quadratic function? f(x) = 2x2 + 4x − 5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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DanJS
  • DanJS
which math class are you taking
anonymous
  • anonymous
math2
DanJS
  • DanJS
algebra

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anonymous
  • anonymous
oh yeah
DanJS
  • DanJS
so you need to turn y = ax^2 + bx + c into y = a*(x-h)^2 + k the vertex form
DanJS
  • DanJS
the vertex in that is the point (h,k)
anonymous
  • anonymous
i dont get it
Jenma
  • Jenma
U know how to find the axis of symmetry?
DanJS
  • DanJS
you can play with that , or simply remember, the x coordinate of the vertex of y = ax^2 + bx + c is x = -b / (2*a)
DanJS
  • DanJS
as jenma said , or also the axis of symm
DanJS
  • DanJS
then use that x value , and calculate what y is,, the point (x,y) is the vertex
DanJS
  • DanJS
here is an example i just found... http://hotmath.com/hotmath_help/topics/vertex-of-a-parabola.html
DanJS
  • DanJS
gl
anonymous
  • anonymous
ty
Jenma
  • Jenma
Yes @DanJS . Find the axis of symmetry first and then when u find the answer u would do the substitute of the equation and u will find the vertex...

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