1,045 prompts matching "How long the inverse of a 3 by 3 matrix takes, and how to shorten it"
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WAEC Prep: What the formula gives when the discriminant is negative
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Final Revision: A word problem solved with the quadratic formula
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Explain Back: Finding a missing coefficient from a stated sum of roots
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WAEC Prep: Checking the sum and product against the solved roots
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Final Revision: One root twice the other, and what that gives
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Learn: What makes an expression in the roots symmetric
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Worked Example: The identity linking alpha squared plus beta squared to the sum and product
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Worked Example: Substituting into the quadratic and tidying up
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Learn: Forming the quadratic that decides where a line meets a curve
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Worked Example: The discriminant used as the test for intersection
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Practice: The condition for the line to be a tangent
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Explain Back: Evaluating P of 2 for a given polynomial
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Worked Example: The division algorithm for polynomials
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Quiz: Dividing a quartic by a quadratic
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Final Revision: A word problem that uses the remainder theorem
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Final Revision: A factor theorem question set in the WAEC style
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Quiz: Factorising a polynomial by grouping terms
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WAEC Prep: The relation between the roots and the constant term
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WAEC Prep: The symbols used for and, or and not
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Learn: The conditional statement, if p then q
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