Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

How do you find the roots for $y=-x^2+4x-4$ ?

1 Answer

Konstantinos Michailidis

Feb 21, 2016

Just notice that $-x^2+4x-4=-(x^2-4x+4)=-(x-2)^2$ hence it has one double root $x=2$

Related questions

See all questions in Comparing Methods for Solving Quadratics

Impact of this question

4026 views around the world

You can reuse this answer
Creative Commons License