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 :

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 percent of baking powder is sodium bicarbonate?

Can two items have the same surface area but different volumes

why do you think the constitution places these particular limit on who may become president

Is cutting a paper snowflake a chemical or physical change and why?

William Graham Sumner was a social Darwinist who believed that

5. According to Carnegie’s beliefs, what insures the survival of the fittest in every department and is essential to the future progress of the man?

a party who speaks with a reckless disregard for the truth not knowing of the falsity of his or her words cannot be liable for fraud.

What kept Ethiopia united despite conflict with surrounding societies

How many times stronger the signal for the carbon than the signal for nitrogen?

1.The narrative technique using conversation between characters is ____. omniscience dialogue pacing character insight 2.Which of the following prompts best exe