B3: Quadratics
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From the DfE Mathematics AS and A-Level Content (LINK):
PLAYLIST
PLAYLIST
The Difference of Two Squares
The Difference of Two Squares
B3-01 [Quadratics: Factorising Quadratics using the Difference of Two Squares]
B3-01 [Quadratics: Factorising Quadratics using the Difference of Two Squares]
Factorising Quadratics
Factorising Quadratics
B3-02 [Quadratics: Factorising Quadratics of the form x^2 + bx + c]
B3-02 [Quadratics: Factorising Quadratics of the form x^2 + bx + c]
B3-03 [Quadratics: Factorising Quadratics of the form ax^2 + bx + c]
B3-03 [Quadratics: Factorising Quadratics of the form ax^2 + bx + c]
B3-04 [Quadratics: Factorising Quadratics using a Calculator]
B3-04 [Quadratics: Factorising Quadratics using a Calculator]
Sketching Quadratics from Factorised Form
Sketching Quadratics from Factorised Form
B3-05 [Quadratics: Introducing Parabolas]
B3-05 [Quadratics: Introducing Parabolas]
B3-06 [Quadratics: Introducing Sketching Quadratics from Factorised Form]
B3-06 [Quadratics: Introducing Sketching Quadratics from Factorised Form]
B3-07 [Quadratics: Examples of Sketching Quadratics from Factorised Form]
B3-07 [Quadratics: Examples of Sketching Quadratics from Factorised Form]
Completing the Square
Completing the Square
B3-08 [Quadratics: Introducing Completing the Square with the form x^2 + bx + c]
B3-08 [Quadratics: Introducing Completing the Square with the form x^2 + bx + c]
B3-09 [Quadratics: Examples of Completing the Square with the form x^2 + bx + c]
B3-09 [Quadratics: Examples of Completing the Square with the form x^2 + bx + c]
B3-10 [Quadratics: Introducing Completing the Square with the form ax^2 + bx + c]
B3-10 [Quadratics: Introducing Completing the Square with the form ax^2 + bx + c]
B3-11 [Quadratics: Examples of Completing the Square with the form ax^2 + bx + c]
B3-11 [Quadratics: Examples of Completing the Square with the form ax^2 + bx + c]
B3-12 [Quadratics: Examples of Finding the Line of Symmetry]
B3-12 [Quadratics: Examples of Finding the Line of Symmetry]
Sketching Quadratics from Completed Square Form
Sketching Quadratics from Completed Square Form
B3-13 [Quadratics: Introducing Sketching Quadratics from Completed Square Form]
B3-13 [Quadratics: Introducing Sketching Quadratics from Completed Square Form]
B3-14 [Quadratics: Examples of Sketching Quadratics from Completed Square Form]
B3-14 [Quadratics: Examples of Sketching Quadratics from Completed Square Form]
Solving Quadratics
Solving Quadratics
B3-15 [Quadratics: Three Ways to Solve a Quadratic Equation]
B3-15 [Quadratics: Three Ways to Solve a Quadratic Equation]
B3-16 [Quadratics: Where the Quadratic Formula Comes From]
B3-16 [Quadratics: Where the Quadratic Formula Comes From]
Using the Discriminant
Using the Discriminant
B3-17 [Quadratics: Using the Discriminant to Find How Many Roots a Quadratic Has]
B3-17 [Quadratics: Using the Discriminant to Find How Many Roots a Quadratic Has]
B3-18 [Quadratics: Examples of Using the Discriminant to Find How Many Roots a Quadratic Has]
B3-18 [Quadratics: Examples of Using the Discriminant to Find How Many Roots a Quadratic Has]
Using the Quadratic Formula
Using the Quadratic Formula
B3-19 [Quadratics: Examples of Using the Quadratic Formula]
B3-19 [Quadratics: Examples of Using the Quadratic Formula]
Sketching Quadratics using the Quadratic Formula
Sketching Quadratics using the Quadratic Formula
B3-20 [Quadratics: Examples of Sketching Quadratics using the Quadratic Formula]
B3-20 [Quadratics: Examples of Sketching Quadratics using the Quadratic Formula]
Sketching Quadratics using a Calculator
Sketching Quadratics using a Calculator
B3-21 [Quadratics: Sketching using a Calculator]
B3-21 [Quadratics: Sketching using a Calculator]
B3-22 [Quadratics: Examples of Sketching using a Calculator]
B3-22 [Quadratics: Examples of Sketching using a Calculator]
Using Quadratic Methods for Solving
Using Quadratic Methods for Solving
B3-23 [Quadratics: Solving More Complicated Equations Using Quadratic Methods]
B3-23 [Quadratics: Solving More Complicated Equations Using Quadratic Methods]