Jos Klenner

Experimental question using JSXGraph to provide dynamic, interactive graphs.

Multiplication of $2 \times 2$ matrices.

Shows how to define variables to stop degenerate examples.

Exercises in multiplying matrices. 

A resource for Business students to practise calculating Normal probabilities and finding $Z$-values. 

Solve for $x$ and $y$:  \[ \begin{eqnarray} a_1x+b_1y&=&c_1\\   a_2x+b_2y&=&c_2 \end{eqnarray} \]

The included video describes a more direct method of solving when, for example, one of the equations gives a variable directly in terms of the other variable.

Template question. The student is asked to perform a two factor ANOVA to test the null hypotheses that the measurement does not depend on each of the factors, and that there is no interaction between the factors.

Rearranging equations to change the subject

Shows how to define variables to stop degenerate examples.

Shows how to define variables to stop degenerate examples.

Compute a table of values for a quadratic function. A JSXgraph plot shows the curve going through the entered values.

This question uses the GeoGebra extension so it can ask the student to create an equilateral triangle. It doesn't matter how they do it, as long as they end up with a polygon with three vertices whose sides are all the same length.

Shows how to define variables to stop degenerate examples.

Shows how to define variables to stop degenerate examples.

Shows how to define variables to stop degenerate examples.

Shows how to define variables to stop degenerate examples.

Some questions which use JSXGraph to create interactive graphics.