402 prompts matching "Calculator paper: Showing that three points are collinear"
WAEC pitfalls: Assuming matrix multiplication is commutative
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Real-life Nigeria: The identity matrix, and what it does
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Teach me: The determinant of a 2 by 2 matrix
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Word problem: A problem in which a singular matrix leaves no solution
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WAEC pitfalls: Dividing by a determinant of zero
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Real-life Nigeria: What a zero determinant tells you about a system
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Teach me: Writing a pair of simultaneous equations in matrix form
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Word problem: A two-commodity pricing problem solved by matrices
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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Teach me: The shape of a quadratic graph, and what the sign of a does to it
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Word problem: The path of a thrown object modelled by a quadratic
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Real-life Nigeria: Reading the maximum or minimum value off the graph
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Teach me: Solving an equation by finding where two graphs meet
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WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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Real-life Nigeria: Where a graphical method beats an algebraic one
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Teach me: What linear programming sets out to optimise
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Word problem: A Nigerian transport loading problem as a linear programme
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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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Teach me: Drawing a frequency polygon from a frequency table
You are my personal SS3 Mathematics tutor. Teach me drawing a frequency polygon from a fre