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Pre-Calculus 11 · Grade 11 · Unit 6 of 9 · Gatekeeper unit

6Quadratic Equations & Inequalities

Work through these 4 topics in order. Clear the gatekeeper and the rest of the course opens up.

Contents

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  1. 6.1
    The discriminant

    Nature of the roots.

    Published

    Start here
  2. 6.2
    Completing the square

    Deriving the vertex.

    Published

  3. 6.3
    Inequalities

    Quadratic inequalities.

    Published

  4. 6.4
    Linear inequalities

    Solving single-variable linear inequalities with sign analysis and interval notation.

    In preparation