6510 results.
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Question in Marie's Logic workspace
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Question in Marie's Logic workspace
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Question in Marie's Logic workspace
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Question in Marie's Logic workspace
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Question in Marie's Logic workspace
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Question in Marie's Logic workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Exam (3 questions) in Marie's recurrence relations workspaceRecurrence relations quiz
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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Question in Marie's recurrence relations workspace
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This question demonstrates defining an 'unknown' function $F(x)$ as a custom function so that it can be used in marking.
The definition of $F$ is arbitrary, so care must be taken to ensure it doesn't have more properties, such as evenness, than necessary.
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This shows how to use captured groups in a mathematical expression part's pattern restriction to mark an answer involving multiple occurrences of an undefined function.
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Question in Anthony's workspace
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.
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Question in Thomas's workspace
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 negative gradient.
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Question in Thomas's workspace
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.
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Question in Nigel's workspace
Identifying y=mx+b given two points
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Question in Ida's workspace
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.
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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.
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Question in Differential Equations
Method of undermined coefficients:
Solve: $\displaystyle \frac{d^2y}{dx^2}+2a\frac{dy}{dx}+a^2y=0,\;y(0)=c$ and $y(1)=d$. (Equal roots example). Includes an interactive plot.
rebelmaths
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Question in Differential Equations
Solve: $\displaystyle \frac{d^2y}{dx^2}+2a\frac{dy}{dx}+(a^2+b^2)y=0,\;y(0)=1$ and $y'(0)=c$.
rebelmaths
