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What does the discriminant tell you?

Exercise and reference answers

Items
  1. Item
    b2 - 4ac > 0
    Category
    Two real
  2. Item
    Positive value
    Category
    Two real
  3. Item
    b2 - 4ac = 0
    Category
    Equal
  4. Item
    Value is zero
    Category
    Equal
  5. Item
    b2 - 4ac < 0
    Category
    No real
  6. Item
    Negative value
    Category
    No real
Categories
  1. Item
    Two real
  2. Item
    Equal
  3. Item
    No real
Instructions
Tap a case, then tap the kind of roots it gives.

Explanation

_Source: syllabus Maths Ch4 Quadratic Equations, QUADRATIC EQUATIONS_
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