1,325 prompts matching "Spot my mistake using the quadratic formula"
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WAEC Prep: Converting a complex number from polar form into the form a plus bi using tables
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
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WAEC Prep: Simplifying the answer after using the quotient rule
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Quiz: Using the initial conditions to fix the constants in a kinematics problem
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WAEC Prep: The remainder when a polynomial is divided by a quadratic
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
I have just studied rationalising a denominator of the form a plus root b using the conjug
Common Mistakes: Solving an equation in which the unknown sits under a root
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WAEC Prep: The change of base formula for logarithms
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Practice: The condition for a quadratic equation to have equal roots
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Show All Working: Solving a quadratic by completing the square
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Common Mistakes: Symmetric functions when the three roots of a cubic are involved
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Worked Example: Solving a quadratic inequality by sketching the parabola
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Common Mistakes: The range of values of x for which an expression stays positive
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Common Mistakes: Arrangements restricted at the first or the last place
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Quiz: The compound angle formula for sine of A plus B
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Practice: The compound angle formula for cosine of A minus 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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Show All Working: The half angle formulae and the t-substitution
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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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