1,045 prompts matching "Distance from a point to the centre of a circle"
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Explain Back: Leaving the roots of a quadratic in surd form
I have just studied leaving the roots of a quadratic in surd form in my SS2 Further Mathem
Show All Working: Choosing between factorising and the formula
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Common Mistakes: A sign error in the formula, and how to catch it
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Worked Example: The product of the roots as c over a
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Common Mistakes: Roots that are reciprocals of one another
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Explain Back: The value of alpha minus beta, all squared
I have just studied the value of alpha minus beta, all squared in my SS2 Further Mathemati
Spot My Mistake: The value of alpha over beta plus beta over alpha
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Quiz: Solving the quadratic that results from the substitution
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Show All Working: A simultaneous pair in which the second equation is a circle
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Practice: The condition for the line to be a tangent
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Spot My Mistake: Finding the values of c for which a line is a tangent
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Worked Example: The degree of a polynomial in one variable
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Final Revision: The degree of the product of two polynomials
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Common Mistakes: The degree of the quotient and of the remainder
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Final Revision: Writing the result of a polynomial division out in full
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Common Mistakes: The remainder theorem applied to a quartic
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Worked Example: Testing a list of candidates to find a factor
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Show All Working: What the factor theorem says about the roots
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Common Mistakes: Using the factor theorem before dividing
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Final Revision: A factor theorem question set in the WAEC style
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