1,333 prompts matching "find the centre and radius of the circle x^2+y^2-4x+6y-3=0"
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Worked Example: Finding one over alpha plus one over beta
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Explain Back: Finding alpha squared beta plus alpha beta squared
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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WAEC Prep: Forming an equation whose roots are alpha over beta and beta over alpha
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Practice: Solving an inequality with the unknown in the denominator
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Explain Back: Choosing a committee with a stated number from each of two groups
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Spot My Mistake: The identity that n choose r equals n choose n minus r
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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Spot My Mistake: The double angle formula for sine
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Learn: Solving sin x equals a given value between 0 and 360 degrees
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Learn: The distance between two points
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Spot My Mistake: The general form ax plus by plus c equals nought
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WAEC Prep: Proving two given lines parallel from their gradients
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Quiz: The semi-interquartile range
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Practice: The mean deviation from the mean
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Spot My Mistake: The point at which a loaded beam will tip about its support
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Quiz: Relative velocity when the two motions are at right angles
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
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Quiz: The tension in the string joining two connected particles
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Practice: The frictional force on a body on a rough incline
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