755 prompts matching "IGCSE-style teach me: The equation of a line perpendicular to a given line"
WAEC pitfalls: Substituting the numbers before differentiating
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Practice set: Practice on two rates of change linked by a chain rule
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Real-life Nigeria: A rate of change problem taken from Nigerian manufacturing
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Worked example: The area between a curve and the x-axis
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WAEC pitfalls: Ignoring an area that lies below the axis
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WAEC pitfalls: Dropping the negative sign when reversing a vector
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Word problem: Dividing a line in a given ratio using vectors
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Worked example: Proving three points are collinear with vectors
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WAEC pitfalls: Confusing a position vector with a displacement vector
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Worked example: Finding the translation that maps one shape onto another
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WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
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Practice set: Reflecting a shape in a line parallel to an axis
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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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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
Word problem: A break-even point found from two drawn lines
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Worked example: Solving a quadratic graphically by adding a straight line
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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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WAEC pitfalls: Ignoring the non-negativity constraints
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