755 prompts matching "The imaginary unit i, and why i squared is minus one"
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Finding the point of intersection of two lines
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Equation of a line with a given y-intercept and passing through a point
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Quiz me rapid-fire on gradients and equations of lines
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Distinguishing gradient sign: positive, negative, zero, undefined
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Finding the equation of a median of a triangle
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Expanding a product of two brackets
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Expanding and simplifying with negative brackets
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Changing the subject of a simple formula
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Changing the subject with a square or square root
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Final Revision: Approximating a surd to three decimal places
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Quiz: Reducing two surds to the same root in order to compare them
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Final Revision: Surds that cannot be combined at all
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Quiz: Subtracting one surd from another
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Worked Example: Rationalising a denominator that is a single surd
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Final Revision: Checking a conjugate answer by multiplying back
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Final Revision: A word problem that leads to an equation in surd form
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Spot My Mistake: A binary operation defined on a set of three elements
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Quiz: Testing the odd numbers for closure under addition
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Spot My Mistake: Reading closure off an operation table
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