debbleg2 debbleg2
  • 02-06-2017
  • Mathematics
contestada

Find the line of symmetry for the parabola whose equation is y = 2 x2 - 4 x + 1.

a. x=-1
b. x=1
c. x=2

Respuesta :

Zane18
Zane18 Zane18
  • 02-06-2017
Move all terms to one side:
y - 2x^2 + 4x -1 = 0
Use the Quadratic Formula:
x = -4 + 2√2(y + 1)/-4, -4 - 2√2(y + 1)/-4
Simplify solutions:
x = 1 - √2(y + 1)/2, 1 + √2(y + 1)/2
Answer Link

Otras preguntas

HELP PLEASE 10 POINTS please help? if you could explain that'd be amazing, I'm so lost!! Thanks so much!! WILL GIVE THANKS AND BRAINLIEST ANSWER
Solve for the Simplest form
How is atp used? It is used as
A quadrilateral has four right angles two pairs of size of equal length and two pairs of opposite sides that are parallel the pairs of opposite sides are not t
How do you find the height of a trapezoid
Fabiana ( fuerin / fue) al museo.
Which of the following is the best definition of Greek mythology? A. tales about regular people living in Greece throughout the ages B. short tales with animal
Can anyone help me find a photo for captain of industry?PLEASE HELP! I have two power points due tomorrow and I can't find the pictures but I have the definitio
Please help kinda lost on this one
What happens if you touch an electric eel?