9 Spring 2

Quadratic graphs and quadratic equations

For live lesson resources for these concepts please click here

Lesson 1 Will it hit the hoop?
Lesson 2Polygraph: parabolas
Lesson 3 Polygraph: parabolas, part 2
Lesson 4 Drawing quadratic graphs
Lesson 5Finding roots of quadratic equations by factorising
Lesson 6 Finding roots of quadratic equations by factorising
Lesson 7To form and solve a quadratic equation by factorising (a = 1)


Lesson 8

Lesson 9

Lesson 10

Lesson 11

Lesson 12

Lesson 13

 

HIGHER ONLY

To form and solve a quadratic equation by factorising (a > 1)

Using the Quadratic Formula

Completing the Square using Algebra Tiles

Completing the Square with negative coefficient of x

Finding the coordinates of the vertex of a quadratic

Solving Quadratic Equations by completing the square