757 prompts matching "IGCSE-style teach me: Simplifying an expression that carries a negative index"
WAEC pitfalls: Dropping the negative sign when reversing a vector
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WAEC pitfalls: Writing a column vector with its components reversed
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WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
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WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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WAEC pitfalls: Assuming matrix multiplication is commutative
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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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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WAEC pitfalls: Ignoring the non-negativity constraints
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Real-life Nigeria: A production mix problem for a small business
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WAEC pitfalls: Reading the quartiles off the wrong axis
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Real-life Nigeria: Comparing two distributions from their ogives
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WAEC pitfalls: Dividing by the wrong number of items
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WAEC pitfalls: Comparing two pie charts of different totals directly
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Real-life Nigeria: Choosing the right chart for a given set of data
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Real-life Nigeria: How errors build up through a multi-step calculation
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WAEC pitfalls: Using the rate as a whole number instead of a decimal
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Real-life Nigeria: Depreciation as compound interest with a negative rate
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Practice: Writing a bearing with three figures even when it is small
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Practice: Converting between two bases without passing through base ten
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