answersLogoWhite

0


Best Answer

Correct form. 2X^2 - 2X - 1 = 0

- b +/- sqrt(b^2 - 4ac)/2a

quadratic formula

a = 2

b = - 2

c = -1

-(-2) +/- sqrt[(-2)^2 - 4(2)(-1)]/2(2)

2 +/- sqrt( 4 + 8)/4

2 +/- 2sqrt(3)/4

exact answer, less final factoring

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What the quadratic equation of 2x2 - 2x equals 1?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What are the roots of the quadratic equation y equals 2x2 plus 3x-20?

2x2 + 3x - 20 = (x + 4)(2x - 5).


Can 5x2 plus 2x-4 equals 2x2 be solved using the quadratic formula?

Yes


Is -2x squared plus 2x plus 1 equals 9 a quadratic equation?

Yes it is. The thing that makes it a quadratic equation is that "x squared" in there.


What is 2x squared plus x minus 1 equals zero in quadratic form?

It is, as stated, 2x2 + x - 1 = 0. That is the quadratic form.


Solve this quadratic equation using the quadratic formula 2x2 - 2x equals 1?

2x2-2x=12x2-2x-1=0a=2 b=-2 c=-1x= (-b +- sqr(b2-4ac))/2ax= (2 +- sqr(4 + 8))/4x= (2 +- sqr(12))/4x = 1/2 +- sqr(12)/4x ~= .5 +- 0.8660x ~=-0.3660 or x ~= 1.3660


Is 3x4 plus 2x plus 5 equals 0 a quadratic equation?

No. It is a quartic equation. The largest power of x in a quadratic equation must be 2.


How many solutions will the equation 25 equals 2x squared 6x have?

The quadratic equation will have two solutions.


Solve this quadratic equation x2 plus 2x - 22 equals 0?

Using the quadratic equation formula:- x = 3.795831523 or x = -5.795831523


What is -2x squared plus 3x plus 5 equals 0?

It is a quadratic equation.


Is 5xy plus 2x plus 1 equals 0 a quadratic equation?

No.No.No.No.


What is 2x2 - 12x - 54 equals o find x?

2x2-12x-54 = 0 Solve by factoring or using the quadratic equation formula or by completing the square: (2x+6)(x-9) = 0 Therefore: x = -3 or x = 9


What are the values of x in 2x2 -3 equals -6x -2?

2x2-3 = -6x-2 2x2+6x-3+2 = 0 2x2+6x-1 = 0 When factored with the help of the quadratic equation formula: (2x-0.3166247904)(x+3.1583123952) = 0 Therefore: x = 0.1583123952 and also x = -3.1583123952