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 is one example that shows how Native Americans and Europeans lived in peace

PLEASE DON'T IGNORE (geometry) Find X and arc KGH

PLSSS HELP ME ASAPPPPPPP

Find the area of the parallelogram. Pls explain and I will give brainliest!

A 2/15 B 1/6 C 1/3 D5/11

Which of the following tends to make economies more efficient? A. specialization B. government ownership of property C. income redistribution D. regulations aim

Divide the rational expressions (X/x+1)(2/x)

PLEASE HELP Choose one person from the following list of "Renaissance Men" and explain in 3-4 sentences why you think that person is the ideal Renaissance man.

Nancy is using the technique of leading lines in her circus photos. What should her leading lines point or “lead” to in her images?

Which is bigger: 13 quarts or 4 gallons?