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Question in GIC maths baseline test
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.

Question in GIC maths baseline test
Compute a table of values for a quadratic function. A JSXgraph plot shows the curve going through the entered values.

Question in GIC maths baseline test
Compute a table of values for a quadratic function. A JSXgraph (the graph paper) plot shows the curve going through the entered values. The student input is now disconnected from the graph so that they slide the points usually after they input the values and the answer fields are not updated.