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Math Algebra I Quadratics The quadratic formula

The quadratic formula

    • The quadratic formula
    • Understanding the quadratic formula
    • Using the quadratic formula
    • Worked example: quadratic formula
    • Worked example: quadratic formula (example 2)
    • Worked example: quadratic formula (negative coefficients)
    • Practice: Quadratic formula
    • Using the quadratic formula: number of solutions
      This is the currently selected item.
    • Practice: Number of solutions of quadratic equations
    • Proof of the quadratic formula
    • Quadratic formula review
    • Discriminant review
    • Quadratic formula proof review
    Next lesson
    Quadratic standard form
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Math·Algebra I·Quadratics·The quadratic formula

Using the quadratic formula: number of solutions

CCSS Math: HSA.REI.B.4, HSA.REI.B.4b

The quadratic formula

    • The quadratic formula
    • Understanding the quadratic formula
    • Using the quadratic formula
    • Worked example: quadratic formula
    • Worked example: quadratic formula (example 2)
    • Worked example: quadratic formula (negative coefficients)
    • Practice: Quadratic formula
    • Using the quadratic formula: number of solutions
      This is the currently selected item.
    • Practice: Number of solutions of quadratic equations
    • Proof of the quadratic formula
    • Quadratic formula review
    • Discriminant review
    • Quadratic formula proof review
    Next lesson
    Quadratic standard form
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Quadratic formula
Quadratic formula
Number of solutions of quadratic equations
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Number of solutions of quadratic equations