This explainer video discusses different representations of a straight line:

• from parametric representation to cartesian equation;
• from cartesian equation to parametric representation.

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This explainer video explains the parametric representation of a line through two given points.

The following special rights are also covered:

• horizontal straight;
• vertical straight.

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400 geometric puzzles with your own pictures. The solution key was also added.

The puzzles contain various geometric figures such as triangles, quadrilaterals, circles...

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This learning resource contains:

• exercises on graphically solving systems of two first degree equations;
• the use of the substitution method in problems with systems of two first-degree equations.

The solutions were also added to the teaching aid.

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Strange products… not so strange anymore with the help of this cheat sheet! You will find there the rules of the product of added two terms as well as the square, the third and fourth powers of a two term.

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A document for teachers to use triangles with integer side lengths and an angle of 60 degrees. All solutions are generated by a parameter representation with two free parameters.

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A brief overview of the required knowledge for the central exam vwo mathematics B.

The table of contents has been added at the end.

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This task contains two exercises within functions:

• quadratic function f(x) = ax²
• rational function f(x) = c/x with c > 0.

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An extensive discussion of the substitution method and partial integration using examples.

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An Excel file with links to over 10,000 YouTube videos on a variety of math topics. Topics covered include:

• geometry,
• algebra,
• analysis,
• combinatorics,
• number theory,
• logic,
• matrix arithmetic,
• probability,
• trigonometry,
• statistics,
• †

You can sort …

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GeoGebra files in which different bars are drawn.
With a number of sliding points you can change the shape of the figure.

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GeoGebra files in which different pyramids are drawn, both with and without coordinate system.
With a number of sliding points you can change the shape of the figure.

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