A circle in the coordinate system Whiteboard exercise Play

Calculating values of a function Student activity Play

Calculating values of a function Whiteboard exercise Play

Equation of a straight line Whiteboard exercise Play

Exercises about the equation of the circle with centre at an arbitrary point Student activity Play

Finding the second x-intercept of the parabola Whiteboard exercise Play

Finding the  x-intercept of a linear function Student activity Play

Finding the  x-intercept of a linear function Whiteboard exercise Play

Graphical solution of a system of linear equations Animation Play

Intercept form of a straight-line equation Student activity Play

Linear function and properties of its graph Whiteboard exercise Play

Reading out from the graph the  x- and  y-intercepts of a linear function ws Play

Solutions on the graph Animation Play

Solving a quadratic equation graphically Student activity Play

Solving by graphing Whiteboard exercise Play

Solving by graphing Student activity Play

The circle with centre at an arbitrary point Whiteboard exercise Play

The circle with centre at the origin Student activity Play

The x- and y-intercepts of a linear function Student activity Play

The  x- and  y-intercepts of a linear function Whiteboard exercise Play

The  x-intercept of a linear function Animation Play

When is there a solution? Student activity Play

When is there a solution? Whiteboard exercise Play

x-intercepts and y-intercepts Student activity Play

x-intercepts and  y-intercepts Animation Play