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

Why is "The Last Leave" by O. Henry ironic? Question 6 options: "The Last Leaf"" is ironic because the last leaf never falls from the tree. "The Last Leaf"" is

List three differences between Sherman Alexie and Richard Wright's books.

Is the number 71 prime or composite? A. Prime B composite Will mark brainiest. Please help me really hard!

Pls helppppp will give braineliest

Identify the following costs as direct materials, direct labor, or factory overhead for a magazine publisher: a. Staples used to bind magazines b. Wages of prin

WILL BRAINLEIST IF CORRECT!!!!!! Express the product (rad 7 – 3) (rad 7+ 3)in simplest form.

Add suitable prefixes to the words in bold italics fill in the blanks. c. I told my sister not to be unfeeling; it is not good to be

PLZZZZZ HELP What is Ernesto Galarza's purpose for writing "Barrio Boy?"

(q+1)/2=(q−1)/3 Solve for q

determine two numbers nearest to 3000 exactly divisible by 5 7 14 15