Question

Use the discriminant to determine the nature of the roots of x^2 - 4x + 4 = 0.

Answer 1

\(\bf {\color{blue}{ 1}}x^2{\color{red}{ -4}}x{\color{green}{ +4}}=0\qquad discriminant\to
{\color{red}{ b}}^2 -4{\color{blue}{ a}}{\color{green}{ c}}\)

http://www.regentsprep.org/Regents/math/algtrig/ATE3/discriminant.htm

Answer 2

theres only one again? :o

Answer 3

yeap discriminant is 1, thus only 1 real zero

Answer 4

or one root, or solution or x-intercept

Answer 5

:P