Recently published items

Parts with zero marks now show a tick or cross as appropriate, even though they don't contribute to the total score.

This question asks a student to draw a straight line graph by dragging points.

Solving questions using $F=ma$ and $W=mg$.

This question asks you to plot a point on a graph.

Calculate the functional value at a point.

Factoring a quadratic equation

There are copious comments in the definition of the function eqnline about the voodoo needed to have a JSXGraph diagram interact with the input box for a part.

This question tests a student's ability to raise a positive base to a negative exponent and then take the negative. The base and the exponent have the same absolute value.

Ask the student to find a matrix corresponding to a given rotation about the origin.

Then ask them to find the determinant. Their answer is marked against the matrix they gave, not just the correct one.

Finally, ask them to find the inverse of their matrix. Marking is against the matrix and determinant they gave.

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