1,324 prompts matching "Why does completing the square work"
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Quiz: The factor theorem, and testing whether x minus a is a factor
Act as my SS3 Further Mathematics tutor and quiz me on the factor theorem, and testing whe
Explain Back: Finding an unknown coefficient given that a stated factor divides the polynomial
I have just studied finding an unknown coefficient given that a stated factor divides the
Final Revision: The zeros of a polynomial and where its graph cuts the x-axis
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Quiz: The product of the roots of a cubic
Act as my SS3 Further Mathematics tutor and quiz me on the product of the roots of a cubic
Final Revision: Checking that the roots found satisfy the original equation
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Common Mistakes: The range of values of x for which an expression stays positive
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Final Revision: The region of the plane satisfying a set of linear inequalities
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Quiz: The number of arrangements of r objects chosen from n
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Explain Back: Arrangements in which two particular objects must stay together
I have just studied arrangements in which two particular objects must stay together in my
Common Mistakes: Arrangements restricted at the first or the last place
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Final Revision: Counting the number plates or codes that can be formed under a rule
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WAEC Prep: Pascal's triangle and the combination numbers in it
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Final Revision: Combinations used with the addition and multiplication principles
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Quiz: The compound angle formula for sine of A plus B
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Explain Back: The compound angle formula for tan of A plus B
I have just studied the compound angle formula for tan of A plus B in my SS3 Further Mathe
WAEC Prep: The three forms of the double angle formula for cosine
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Common Mistakes: Expressing a cos x plus b sin x in the form R cos of x minus alpha
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Quiz: Solving tan x equals a given value, and the period of the tangent
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Common Mistakes: Giving the general solution of a trigonometric equation
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Quiz: The tangent curve and its asymptotes
Act as my SS3 Further Mathematics tutor and quiz me on the tangent curve and its asymptote