Question

The quadratic x2 + 20x + 100 has what type of roots?

Two Irrational

Two Complex

Two Rational

One Rational Double

Answer 1

find \(b^2 - 4ac\)

Answer 2

use \[b ^{2}-4ac\] and if the answer is less than 0 then roots are imaginary if answer is a perfect square then roots are rational and if answer equals to zero then roots are equal