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Cofactors Determinant and inverse of a 3x3 matrix.

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Generates two sets of matrices that can be added and asks the student to add them. Will ensure that the dimensions in part a) are different to the dimensions in part b) to offer some variety.

Generates two sets of matrices that can be added and asks the student to add them. Will ensure that the dimensions in part a) are different to the dimensions in part b) to offer some variety.

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This question provides a list of data to the student. They are asked to find the "range".

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Collecting like terms, expanding a bracket (distributive law), substitution of values, finding factors, simplifying algebraic fractions.

Shows how to mark a boolean expression, by checking all possible values of the free variables. There's an information step containing a reminder of the syntax for boolean operations.

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If possible, simplify simple expressions by collecting like terms.

Tests understanding of scatter plots and related concepts.

Identifying measures of spread or location (average)

This question asks the student to choose the appropriate measure of average and spread for a data with outliers.

This question provides a list of data to the student. They are asked to find the "median".

This question provides a list of data to the student. They are asked to find the "mode".

This question provides a list of data to the student. They are asked to find the "range".