1,325 prompts matching "Find the value of k: quadratic with equal roots"
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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Quiz: The compound angle formula for sine of A plus B
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WAEC Prep: The three forms of the double angle formula for cosine
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Show All Working: Solving a cos x plus b sin x equals c by the R method
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Learn: The shape, period and range of the sine curve
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Common Mistakes: Sketching two trigonometric curves on the same axes to find where they meet
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Quiz: The gradient of the line through two points
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Spot My Mistake: The general form ax plus by plus c equals nought
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Quiz: Finding the centre and the radius from the general equation
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Spot My Mistake: The equation of the tangent to a circle at a point on it
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WAEC Prep: The length of the tangent from an external point
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Final Revision: The equation of the circle through three given points
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Quiz: The equation of the tangent to a parabola
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Spot My Mistake: The foci of an ellipse
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Show All Working: The rectangular hyperbola xy equals c squared
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Learn: The range, and why it is a weak measure of spread
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Spot My Mistake: The standard deviation of an ungrouped set of data
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Final Revision: Reading the quartiles off a cumulative frequency curve
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Learn: The moment of a force about a point, and its units
You are my personal SS3 Further Mathematics tutor. Teach me the moment of a force about a