742 prompts matching "IGCSE practice: Joining the plotted points with a smooth curve"
Worked example: Finding the centre of enlargement from object and image
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Real-life Nigeria: Scale drawings and the scales printed on maps
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Real-life Nigeria: The identity matrix, and what it does
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Explain back: The inverse of a 2 by 2 matrix and the formula for it
I have just studied the inverse of a 2 by 2 matrix and the formula for it in my SS3 Mathem
Worked example: Verifying an inverse by multiplying back to the identity
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Explain back: Solving by multiplying through by the inverse matrix
I have just studied solving by multiplying through by the inverse matrix in my SS3 Mathema
Worked example: Solving a 2 by 2 system by the matrix method
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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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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WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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Explain back: Shading the feasible region on a graph
I have just studied shading the feasible region on a graph in my SS3 Mathematics class. Le
Worked example: Testing the vertices of the feasible region
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WAEC pitfalls: Ignoring the non-negativity constraints
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Explain back: Plotting a cumulative frequency curve at the upper class boundaries
I have just studied plotting a cumulative frequency curve at the upper class boundaries in
Word problem: Reading the number above a threshold from an ogive
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Worked example: Estimating the median from a cumulative frequency curve
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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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Explain back: Why the absolute value is taken in mean deviation
I have just studied why the absolute value is taken in mean deviation in my SS3 Mathematic