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

Will give brainliest The graph shows the function f(x). Which value is closest to the average rate of change from x = 1 to x = 4? A.−3.5 B.−2.3 C.−1.4

Identify the three ingredients used in a blast furnace to make pig iron.

How did the English get possession of New York from the Dutch?

PLZ HELP ASAP TANGENTS OF CIRCLES

What happened in the beginning of the Cold War

In Macbeth, Lady macbeth believes that in order to carry out the murder, she must behave more like a ___.

Culture is ____ a factors in world conflict

A furniture designer creates a table with a circular design that shows up on all four corners. This artist has used which element of art in his work?

By “social change,” sociologists mean fundamental alterations in

A social entrepreneur who focuses on addressing the social needs of local communities is referred to a(n) ______________.