1,007 prompts matching "Why brackets matter when an operation is not associative"
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Worked Example: Halving the coefficient of x and squaring it
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Explain Back: An answer left in surd form after completing the square
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Worked Example: Substituting a, b and c into the quadratic formula correctly
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Final Revision: A word problem solved with the quadratic formula
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Practice: Forming an equation from a given sum and product
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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
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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Explain Back: Writing the answers as ordered pairs
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Final Revision: Checking both solutions in both equations
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Practice: The condition for the line to be a tangent
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Final Revision: The degree of the product of two polynomials
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Final Revision: A word problem that uses the remainder theorem
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Explain Back: Finding a coefficient so that a stated expression is a factor
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Final Revision: A factor theorem question set in the WAEC style
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Worked Example: How many roots a cubic equation has
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Practice: A cubic with one real root and two complex ones
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Final Revision: Checking a root of a cubic by substitution
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Explain Back: The disjunction of two propositions
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Final Revision: A compound proposition built from three simple ones
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