17 results authored by José Klenner  search across all users.

Question in José's workspace
Experimental question using JSXGraph to provide dynamic, interactive graphs.

Question in José's workspace
Shows how to define variables to stop degenerate examples.

Question in José's workspace
Shows how to define variables to stop degenerate examples.

Question in José's workspace
Shows how to define variables to stop degenerate examples.

Question in José's workspace
Shows how to define variables to stop degenerate examples.

Question in José's workspace
Shows how to define variables to stop degenerate examples.

Question in José's workspace
Shows how to define variables to stop degenerate examples.

Exam (3 questions) in José's workspace
A resource for Business students to practise calculating Normal probabilities and finding $Z$values.

Exam (3 questions) in José's workspace
Some questions which use JSXGraph to create interactive graphics.

Question in José's workspace
Multiplication of $2 \times 2$ matrices.

Question in José's workspace
Exercises in multiplying matrices.

Question in José's workspace
Compute a table of values for a quadratic function. A JSXgraph plot shows the curve going through the entered values.

Question in José's workspace
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.

Question in José's workspace
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.

Question in José's workspace
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.

Question in José's workspace
Rearranging equations to change the subject

Question in José's workspace
Shows how to define variables to stop degenerate examples.