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

What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
what is a high structure part of a church which has 5 letters
how were north american colonies all similar in the 1700s?
Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0
The function of the eardrum in the middle ear is to
how do you write 4540 million in standard form?
what's another word for over thinking?
how do you write 4540 million in standard form?
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot