1,045 prompts matching "The determinant of a matrix with a row of noughts"
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Common Mistakes: Writing down the roots once the brackets are found
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Quiz: Completing the square on x squared plus 6x
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Spot My Mistake: Completing the square when the roots are not real
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WAEC Prep: What the formula gives when the discriminant is negative
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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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Explain Back: Finding a missing coefficient from a stated sum of roots
I have just studied finding a missing coefficient from a stated sum of roots in my SS2 Fur
WAEC Prep: Checking the sum and product against the solved roots
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Common Mistakes: A symmetric function needing the sum and product twice over
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Quiz: Solving the quadratic that results from the substitution
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Spot My Mistake: A pair with equal roots, meaning one solution only
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Show All Working: A simultaneous pair in which the second equation is a circle
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Quiz: The leading term and the constant term
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Practice: Polynomial notation such as P of x
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Explain Back: Evaluating P of 2 for a given polynomial
I have just studied evaluating P of 2 for a given polynomial in my SS2 Further Mathematics
Common Mistakes: Multiplying one polynomial by another
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Show All Working: Synthetic division as a shorter route
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Quiz: The remainder on dividing by x plus 2
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WAEC Prep: The remainder theorem checked against long division
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Common Mistakes: The remainder theorem applied to a quartic
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