Fitting models to data Animation Play

Fractions and algebraic fractions Animation Play

Functions 'similar' to trigonometric functions Animation Play

Geometrical approach to the parabola Student activity Play

Graph of a quadratic function Animation Play

Graphical solution of a quadratic inequality Student activity Play

Graphical solution of a quadratic inequality Whiteboard exercise Play

Graphical solution of a quadratic inequality Student activity Play

Graphical solution of a quadratic inequality Whiteboard exercise Play

Graphical solution of equations (2) Class activity Play

Graphical solution of equations (2) Whiteboard presentation Play

How many values define a polynomial? Student activity Play

Improper rational expressions Student activity Play

Inequalities for quadratic function in the vertex form Whiteboard exercise Play

Inequalities for quadratic function in the vertex form Whiteboard exercise Play

Inequalities for quadratic functions in the factor form Student activity Play

Inequalities for quadratic functions in the factor form Whiteboard exercise Play

Inequalities for quadratic functions in the vertex form Student activity Play

Is the rational function a polynomial? Whiteboard exercise Play

Is this a quadratic equation? Whiteboard exercise Play

Is this a quadratic equation? Student activity Play

Jacob Bernoulli's clever trick Student activity Play

Jacob Bernoulli's clever trick Whiteboard exercise Play

Lagrange interpolation formula Animation Play

Letter symbols in equations, formulas and functions Class activity Play