What is the discriminant of the equation 2x^2-4x+1=0

Question

asked May 10, 2021 72.8k views

2 Answers

Shane Oliver · Answer 1 · 2021-05-14T15:03:17+0000

Answer:

8

Explanation:

2x^2-4x+1=0

This is written in the form

ax^2 +bx+c =0

a=2 b = -4 c =1

The discriminant is

b^2 -4ac

(-4)^2 -4(2)(1)

16 - 8

8

The discriminant is 8