649 prompts matching "IGCSE-style question: Testing whether two events are independent"
Worked example: Finding the centre of enlargement from object and image
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WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Quiz me: Adding and subtracting matrices of the same order
Act as my SS3 Mathematics tutor and quiz me on adding and subtracting matrices of the same
Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
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WAEC pitfalls: Assuming matrix multiplication is commutative
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Practice set: Multiplying a matrix by a scalar
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Exam timing: A timed set of matrix operations
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Quiz me: Calculating a determinant from the four entries
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Worked example: Verifying an inverse by multiplying back to the identity
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WAEC pitfalls: Dividing by a determinant of zero
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Practice set: Finding the inverse of a given 2 by 2 matrix
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Quiz me: Identifying the coefficient matrix and the constant matrix
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Worked example: Solving a 2 by 2 system by the matrix method
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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Practice set: Cramer's rule as an alternative method
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Exam timing: A timed set of matrix-method simultaneous equations
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Quiz me: Making a table of values for a quadratic
Act as my SS3 Mathematics tutor and quiz me on making a table of values for a quadratic. A
Worked example: Sketching a quadratic from its factorised form
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WAEC pitfalls: Joining the plotted points of a curve with straight lines
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Practice set: Finding the roots from where the curve cuts the x-axis
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