13.8k views
4 votes
Use the discriminant to describe the roots of each equation. Then select the best description. x^2-4x+4=0

double root
real and rational roots
real and irrational roots
non real roots

User Dotnetom
by
7.4k points

1 Answer

4 votes
D the discriminant = b^2 - 4ac for the equation ax^2 + bx + c = 0

For x^2 - 4x + 4 D = (-4)^2 - 4*1*4 = 0

There will be a double root
They will also be real and rational
User Benjamin Ledet
by
7.7k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.