james234886 james234886

05-02-2019
Mathematics

contestada

solve for x by completing the square. 2x^2-4x+7=0

Respuesta :

mathecoach mathecoach

05-02-2019

Answer:

2x^2 - 4x + 7 = 0

x^2 - 2x + 3.5 = 0

x^2 - 2x = - 3.5

x^2 - 2x + 1 = 1 - 3.5

(x - 1)^2 = - 2.5

No solution because a quadratic term can't be negative.

Answer Link

Otras preguntas

A deli offers a choice of 3 breads, 4 meats, and 7 toppings. Using these ingredients, how many possible sandwich combinations are there?

An object travels with velocity v = 4.0 meters/second and it makes an angle of 60.0° with the positive direction of the y-axis. Calculate the possible values of

Name four coplanar points

A survey was taken of 100 potential voters, asking them which candidate they would vote for in a local election. The results are given in the table below. CANDI

(- 5/8) x (2/3) HALP MEEEEEEEEEEEEEEEEEEEEEEEEE

The movement that represented a reaction against certain beliefs of the roman catholic church, particularly those that discouraged learning was

why did jefferson list specific grievances against george washington III

Which amendment protects unenumerated rights such as voting rights?

At what age is a child likely to sit up without support? One day One month Five months Nine months

7/2 as an improper fraction