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  • Foundations 10
    • Measurement
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  • Foundations 11
    • Measurement
    • Mathematical Reasoning
    • Geometry
    • Trigonometry
    • Statistics
    • Quadratic Functions
    • Quadratic Equations
    • Systems of Linear Inequalities
    • Provincial Assessment Practice
  • Pre-Calculus 11
    • Ch. 1 Sequences & Series
      • Fun with Fractals
    • Ch. 2 Trigonometry
    • Ch. 3 Quadratic Functions
    • Ch. 4 Quadratic Equations
    • Ch. 5 Radical Expressions and Equations
    • Ch. 6 Rational Expressions and Equations
    • Ch. 7 Absolute Value & Reciprocal Functions
    • Ch. 8 Systems of Equations
    • Ch. 9 Linear & Quadratic Inequalities
    • Review
    • Provincial Assessment Practice
  • Pre-Calculus 12
    • Function Operations
    • Transformations
    • Polynomial Functions
    • Trigonometry
    • Exponents and Logarithms
    • Combinatorics
  • Calculus 12
    • Chapter 1
    • Chapter 2
    • Chapter 3
      • Section 3.5 Assignment April 14th
    • Chapter 4
    • Chapter 6 & 7
      • Section 7.1 Assignment April 20th
      • Section 7.2 and 7.3 Assignment April 27th
    • Chapter 8
      • Limits and Derivatives of Log Functions
    • Chapter 9 – 11
  • Missing Pieces

Ch. 4 Quadratic Equations

Chapter 3 Review Key

Chapter 4 Review Key

Class Notes for Chapter 4:

  •  Solving Quadratics by Completing the Square
  •  Solving by Factoring
  •  Solving Quadratics by Graphing
  •  Quadratic Formula

Hopefully Helpful Links:

  • Quadratic Equations – Math is Fun (an overview)
  • The Quadratic Formula Explained – Purplemath
  • Solving Quadratic Equations – Video (BrightStorm)
  • Khan Academy Video Links:
    • Solving Quadratic Equations by Completing the Square
    • Solving Quadratic Equations by Factoring
    • Using the Quadratic Formula
  • MathisPower4u Video Links:
    • Solve a Quadratic Equation Graphically
    • Solve by Factoring
    • The Quadratic Formula
    • The Discriminant

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