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

In her job as a pharmacy technician, Imani measures precise doses of medication for patients. What type of skill is this? A. technical B. soft C. collaborative

Investigation ways in which the government has contributed to combat or stop the gender inequalities in south Africans

704 2/11 - 1 Assignment: Research Paper Write a 5-7 page (approx 1250-1750 words) page paper on one of the following topics: • Ultra-rapid detoxification (aka a

If tan a = x + 1 and tan ß = x - 1, then verify that: 2cot(a - B) = x²

please help i give extra points

Need answer asap pls help!!

What different things come under freedom of expression?

30 POINTS Which statement would fit best in the description section of your critique? A. I personally do not understand the hype by this piece B. The artists n

Jim's science class is making slime from cornstarch and glue. Jim is helping pass out materials. He gives each student 80 grams of cornstarch from a 2-kilogram

why is the vitamin A dosage given in an oily suspension?