SOLUTION: 4x^2-8x+2=0 need help with quadratic formula

Question 459133: 4x^2-8x+2=0 need help with quadratic formula
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: SOLVE quadratic equation with variable

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=32 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 1.70710678118655, 0.292893218813452. Here's your graph:

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