739 prompts matching "Practice: Why multiplying by a negative reverses an inequality"
WAEC pitfalls: Confusing a position vector with a displacement vector
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Spot my mistake: Adding the column vector to the wrong coordinate
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Real-life Nigeria: The lines of symmetry of a described figure
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Quiz me: Rotating a point 90 degrees about the origin
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Word problem: A turning problem taken from a described machine part
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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 matrix multiplication is commutative
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Spot my mistake: Forgetting to swap the leading diagonal when inverting
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Word problem: A problem in which a singular matrix leaves no solution
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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Real-life Nigeria: Recognising a system that has no unique solution
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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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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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Real-life Nigeria: Reading the maximum or minimum value off the graph
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Quiz me: Reading a solution off a graph to a stated accuracy
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Spot my mistake: Reading the intersection off the wrong axis
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Word problem: A break-even point found from two drawn lines
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