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

Por que el gobierno de las cultura preicanicas era teocrático

is it japanese american? idk im right someone help

If f(x) = 5x and g(x) = x+1, find (f•g)(x).

Select the correct answer. The authors of both editorials agree that A. the math league does well in most of its competitions. B. it is hard for Roosevelt to

The pH of a particular solution is given by pH = -log(x-2), where x represents the concentration of the hydrogen ions in the solution, in moles per liter. Which

Develop an argument that analyzes the role of the cell membrane in the excretion of materials.

function calculate () { var s = 2; var x = 2; var y = 3;

What role did Manifest Destiny play in the expansion of the United States?

If you can keep your head when all about you Are losing theirs and blaming it on you, If you can trust yourself when all men doubt you, But make allowance for t

True or false and thank you