755 prompts matching "Structured question: combination problem with 'at least' condition"
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Coordinate geometry proof: right-angled triangle
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Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Finding the centre and radius from a circle's equation
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Simultaneous equations of a line and the coordinate axes
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Finding an unknown coordinate using the gradient formula
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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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Common mistakes in coordinate geometry formulas
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Finding the equation of a median of a triangle
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Full worked exam-style problem combining gradient, distance and midpoint
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Coordinate geometry applied to a triangle's area check
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Solving simultaneous linear equations by elimination
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Changing the subject with a square or square root
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Simplifying expressions with like and unlike terms
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Common sign errors in algebraic manipulation
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Common mistakes with composite and inverse functions
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Learn: Telling a rational number from an irrational one
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Quiz: Writing a recurring decimal as a fraction to show it is rational
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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