757 prompts matching "IGCSE Maths Y10: An angle of depression problem — Common Mistakes"
Quiz me: Reflecting a point in the x-axis and in the y-axis
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Spot my mistake: Reflecting in an axis but keeping the original sign
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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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Spot my mistake: Rotating clockwise when the question says anticlockwise
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Practice set: Rotating a shape about a point other than the origin
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Teach me: Enlargement, and its centre and scale factor
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Teach me: A matrix, and what its order means
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Explain back: When two matrices can be multiplied at all
I have just studied when two matrices can be multiplied at all in my SS3 Mathematics class
Quiz me: Calculating a determinant from the four entries
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Worked example: Verifying an inverse by multiplying back to the identity
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Quiz me: Identifying the coefficient matrix and the constant matrix
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Practice set: Cramer's rule as an alternative method
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Teach me: Solving an equation by finding where two graphs meet
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Explain back: Rearranging an equation so it can be solved from a drawn curve
I have just studied rearranging an equation so it can be solved from a drawn curve in my S
Practice set: Solving simultaneous equations graphically
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Worked example: Estimating the median from a cumulative frequency curve
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Practice set: Estimating quartiles and percentiles from an ogive
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Teach me: Mean deviation, and what it measures
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Quiz me: Calculating the mean before finding the deviations
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