firedragonca firedragonca
  • 13-10-2017
  • Mathematics
contestada

Find the line of symmetry for the parabola whose equation is y = 2x 2 - 4x + 1.

Respuesta :

altavistard
altavistard altavistard
  • 14-04-2019

Answer:

The axis of symm. is x = 1.

Step-by-step explanation:

When faced with a quadratic equation (or formula for a parabola), we can find the equation of the axis of symmetry using the following:

       -b

x = -------

       2a

Please use " ^ " to denote exponentiation:  y = 2x^2 - 4x + 1.

Here, a = 2, b = -4 and c = 1.

Thus, the axis of symmetry of this parabola is

       -(-4)

x = --------- = 1              or    x = 1

       2(2)

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