1,332 prompts matching "Common mistakes in coordinate geometry formulas"
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Final Revision: The perpendicular distance from a point to a line
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Learn: The equation of a circle with its centre at the origin
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Quiz: Finding the centre and the radius from the general equation
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Explain Back: Deciding whether a point lies inside, on or outside a circle
I have just studied deciding whether a point lies inside, on or outside a circle in my SS3
WAEC Prep: The length of the tangent from an external point
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Show All Working: The intersection of a circle and a straight line
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Final Revision: The equation of the circle through three given points
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Worked Example: The parametric form of a point on a parabola
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Practice: The ellipse in standard form, and its two axes
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Explain Back: The eccentricity of an ellipse
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Spot My Mistake: The foci of an ellipse
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WAEC Prep: The hyperbola in standard form, and its asymptotes
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Show All Working: The rectangular hyperbola xy equals c squared
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Final Revision: The focus-directrix definition shared by all the conics
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Worked Example: The interquartile range of a set of ordered data
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Quiz: The semi-interquartile range
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Explain Back: The variance of an ungrouped set of data
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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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Show All Working: The effect on the standard deviation of adding a constant to every value
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