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How many real roots

Exercise and reference answers

Items
  1. Group
    Two distinct
    Item
    D above zero
  2. Group
    Two distinct
    Item
    Pole problem
  3. Group
    Two equal
    Item
    D equals zero
  4. Group
    Two equal
    Item
    Repeated factor
  5. Group
    None
    Item
    D below zero
  6. Group
    None
    Item
    Example 16
Groups
  1. Item
    Two distinct
  2. Item
    Two equal
  3. Item
    None
Instructions
Drop each case under the number of real roots it gives.

Explanation

_Source: syllabus Mathematics, Chapter 4, Quadratic Equations._
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