AMC / AIME · Quadratics · Hard
Quadratics: For what math does math have one real root?
Factor and complete square.
Try the problem
For what does have one real root?
Hint and answer
Concept to use
Parameter ranges.
Hint
Use factoring, Vieta's relations, or the discriminant.
Answer
8 or -8
More Quadratics problems
Practice more with the free Quadratics worksheet generator, or browse the full problem library.