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

Nos (enfermar) cuando hacía mucho frío. La enfermera me (poner) una inyección dos veces a la semana. De niño el médico me (recetar) pastillas para la alergi

A cold-drawn AISI 1015 steel tube is 300 mm OD by 200 mm ID and is to be subjected to an external pressure caused by a shrink fit. What maximum pressure would c

factor the expression 125q^6 - r^6 b^2

Answer for GFC 16,18,30

Which one of the following antibiotics does not function by interfering with the translational process? A) Chloramphenicol B) Cycloheximide C) Penicillin D) Pur

ANSWER FIRST GET BRAINLY Kiley wants to balance the equation H2 + N2 → NH3. Which would be her first step in balancing an equation? multiplying the subscripts

Answer for GFC 16,18,30

how to draw a heating curve

Most of the laws that govern the people in the United States are derived from American Common Law British Common Law English Common Law French Common Law

Heavy resistance weight training is more likely than endurance training to cause thickening of the left ventricular wall. a. True b. False