757 prompts matching "IGCSE Maths Y10: A compound measure word problem — Exam Technique"
Practice set: Finding the inverse of a given 2 by 2 matrix
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Quiz me: Identifying the coefficient matrix and the constant matrix
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Spot my mistake: Multiplying by the inverse on the wrong side
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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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Spot my mistake: Plotting a point from the wrong row of the table
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WAEC pitfalls: Joining the plotted points of a curve with straight lines
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Practice set: Finding the roots from where the curve cuts the x-axis
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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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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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Quiz me: Writing inequalities from a described set of constraints
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Spot my mistake: Shading the wrong side of a boundary line
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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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Quiz me: Building a cumulative frequency table
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Spot my mistake: Plotting cumulative frequency at the class midpoint
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WAEC pitfalls: Reading the quartiles off the wrong axis
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