Applying the quadratic formula Whiteboard exercise Play

Complex example Whiteboard exercise Play

Complex examples Student activity Play

'Double quadratic' equations Whiteboard exercise Play

'Double quadratic' equations Student activity Play

Example of the transformation of an equation into a quadratic equation Animation Play

Finding discriminant and roots of an equation Whiteboard exercise Play

Finding numbers Animation Play

Finding the length of the triangle legs Animation Play

Finding the root of an equation Whiteboard exercise Play

Finding the solution of a non-quadratic equation Animation Play

Geometric problem Whiteboard exercise Play

Geometric problems Student activity Play

Introducing a new variable into an equation Whiteboard exercise Play

Problems involving quadratic equations Student activity Play

Problems involving quadratic equations Whiteboard exercise Play

Quadratic equation with a parameter Animation Play

Solving an equation by applying an appropriate substitution Animation Play

Solving an equation by introducing a new variable Animation Play

Solving problems involving quadratic equations (1) Class activity Play

Solving problems involving quadratic equations (1) Whiteboard presentation Play

Solving simultaneous equations algebraically Whiteboard exercise Play

Solving simultaneous equations algebraically Student activity Play

System of equations Animation Play

Transformation of an equation into a quadratic equation Student activity Play