1,273 prompts matching "IGCSE Additional Maths Y11: Equating coefficients to find an unknown constant —"
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Final Revision: The zeros of a polynomial and where its graph cuts the x-axis
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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Quiz: The product of the roots of a cubic
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Explain Back: Forming a cubic equation whose three roots are given
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Final Revision: Checking that the roots found satisfy the original equation
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Learn: Solving a linear inequality, and reversing the sign on dividing by a negative
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Worked Example: Solving a quadratic inequality by sketching the parabola
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Quiz: Solving a quadratic inequality using a sign table
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Explain Back: Solving an inequality that involves a modulus
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Spot My Mistake: Showing the solution of an inequality on a number line
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Final Revision: The region of the plane satisfying a set of linear inequalities
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Worked Example: The number of arrangements of n different objects in a row
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Quiz: The number of arrangements of r objects chosen from n
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Practice: Arrangements when some of the objects are identical
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Spot My Mistake: Arrangements in which two particular objects must be kept apart
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Final Revision: Counting the number plates or codes that can be formed under a rule
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Worked Example: The difference between a permutation and a combination
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Quiz: Choosing a committee of r people from n
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Practice: Choosing a committee that must contain one particular person
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Explain Back: Choosing a committee with a stated number from each of two groups
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