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 long-term effect do you think EU membership will have on nationalism in Europe? Explain.
What is 2.333333 in fraction form
What is the main idea of Truman's statement about the use of atomic weapons
What is HIV and the causes
In little Marsden the population is 17 222. The men and women together total 9142 and the women and children together total 13 201. There are ...... Women There
Yolanda owns 4 rabbits. She expects the number of rabbits to double every year.a) after how many years will she have 64 rabbits?b) write and equation to model t
A box contains bags of crisps. Each bag of crisps weighs 25 grams. Altogether, the bags of crisps inside the box weigh 1 kilogram. How many bags of crisps are i
what is perpendicular to y= 3x -9 and passes through the point (3,1)
which of the following suffered most from DDT poisoning in the great lakes region
What is the formula for the volume of a cuboid?