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Use two points on a line graph to calculate the gradient and $y$-intercept and hence the equation of the straight line running through both points.

The answer box for the third part plots the function which allows the student to check their answer against the graph before submitting.

This particular example has a positive gradient.

Given some coordinates, recognise which quadrant a point lies in, or which axis a point lies upon.

Drag points on a graph to the given Cartesian coordinates. There are points in each of the four quadrants and on each axis.

Drag points on a graph to the given Cartesian coordinates. There are points in each of the four quadrants and on each axis.

Drag points on a graph to the given Cartesian coordinates. There are points in each of the four quadrants and on each axis.

Drag points on a graph to the given Cartesian coordinates. There are points in each of the four quadrants and on each axis.

Drag points on a graph to the given Cartesian coordinates. There are points in each of the four quadrants and on each axis.

Drag points on a graph to the given Cartesian coordinates. There are points in each of the four quadrants and on each axis.

Calculate the volume of different 3D shapes, given the units and measurements required. The formulae for the volume of each shape are available as steps if required.

Calculate the volume of different 3D shapes, given the units and measurements required. The formulae for the volume of each shape are available as steps if required.