694 prompts matching "Subtracting one algebraic fraction from another (Show That / Hence Find)"
Real-life Nigeria: The identity matrix, and what it does
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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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Real-life Nigeria: What a zero determinant tells you about a system
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Quiz me: Identifying the coefficient matrix and the constant matrix
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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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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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WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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Practice set: Solving simultaneous equations graphically
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WAEC pitfalls: Ignoring the non-negativity constraints
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Practice set: Finding the maximum of an objective function
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Real-life Nigeria: A production mix problem for a small business
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Quiz me: Building a cumulative frequency table
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WAEC pitfalls: Reading the quartiles off the wrong axis
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Quiz me: Calculating the mean before finding the deviations
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WAEC pitfalls: Dividing by the wrong number of items
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