Question

what is the axis of symmetry for the equation y=2x^2 +4x−8

Answer 1

this equation isn't symmetric is there a typo?

Answer 2

no it does have symmetry

https://www.desmos.com/calculator/otro1dtaoo

Answer 3

this is a parabola and has symmetry

Answer 4

For a quadratic function in standard form, y = ax2 + bx + c, the axis of symmetry is a vertical line
-b/2a

Answer 5

y=2x^2 +4x−8
= 2 (x^2 + 2x - 4)
now convert the parentheses to the appropriate form)

or zpupster' s method is fine

Answer 6

shoot - i can't remember what the form (x + a)^2 - b is called!!!!

zpupster?

Answer 7

vertex form -idk