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

0.04 in word form 3.08 in word form

Slove for x mx+2nx=p

the diagram below shows that 75% of some number is 12. What is 100% of the number

Please Help!!! Without solving, determine whether the solution of 1/3x = 21 is greater than or less than 21. EXPLAIN.

when I take half of my number and add two I get 24 what is my number

unit rate for 162 water bottle in 9 cases

Explain why 5(10)/5(2) equals 5(8)

whats the equation for the slopes (-3,12) (5,2)

What is the slope of the line that passes through the points (-6,1)and (4,-4)

Explain how to value of the 7 in 327,902 will change if you move it to the tens place