757 prompts matching "IGCSE Maths Y10: A hemisphere, and its volume — IGCSE Exam Practice"
Practice set: Rotating a shape about a point other than the origin
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Quiz me: Finding the image of a point under a given enlargement
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Spot my mistake: Measuring the scale factor from the wrong centre
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WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Practice set: The effect of an enlargement on area
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Spot my mistake: Multiplying matrices whose orders do not match
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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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Quiz me: Calculating a determinant from the four entries
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Spot my mistake: Forgetting to swap the leading diagonal when inverting
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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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Spot my mistake: Multiplying by the inverse on the wrong side
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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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Quiz me: Making a table of values for a quadratic
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Spot my mistake: Plotting a point from the wrong row of the table
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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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Quiz me: Reading a solution off a graph to a stated accuracy
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