739 prompts matching "More practice: Factorising an algebraic expression by finding"
Worked example: Finding the mirror line from an object and its image
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Practice set: Reflecting a shape in a line parallel to an axis
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Worked example: Finding the angle of rotation from an object and its image
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Practice set: Rotating a shape about a point other than the origin
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Worked example: Finding the centre of enlargement from object and image
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Practice set: The effect of an enlargement on area
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Teach me: The determinant of a 2 by 2 matrix
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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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WAEC pitfalls: Dividing by a determinant of zero
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Practice set: Cramer's rule as an alternative method
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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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Real-life Nigeria: Where a graphical method beats an algebraic one
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Practice set: Estimating quartiles and percentiles from an ogive
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Quiz me: Calculating the mean before finding the deviations
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Practice set: The mean deviation of grouped data
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Practice set: Converting between a pie chart and a bar chart
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Explain back: Why percentage error is more useful than absolute error
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Worked example: Compound interest worked year by year and then by formula
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