Chapter 3 - Quadratics

Where did the name 'quadratics come from?

A summary of the whole chapter in 18 minutes.

Applications - Stephen Curry's shooting arc (parabola)

and Curry vs Lebron

A great visualisation of straight lines forming a parabola - click here.

Ex	Video	Alternate Video
3A	Expanding single brackets Expanding double brackets - area method	Expanding double brackets- traditional method Great visualisation- Eddie Woo
3B	Factorising	Cross multiply technique
3C	Use null factor law
3D	Graph quadratics example 1 Graph quadratics example 2	Using a symmetry technique
3E	Complete the square - visual method step 1 Complete the square - visual method step 2 Harder example Even Harder example	A slightly diiferent method -Eddie Woo Algebraic method A harder example
3F	Graph quadratics using TP form
3G	Graph inequalities
3H	Use the quadratic formula	Extension - how to derive Quadratic Formual
3I	Use the discriminant
3J	Solve simultaneous Equations
3K	Graph families of Quadratics Example 2
	Extension - formula for Cubic equations Pt1 Extension - formula for Cubic equations Pt2 Extension - formula for Cubic equations Pt3

For an interesting demonstration of linking parabolas to straight lines and creating a multiplying machine see the Mathologer video - here.

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