1,045 prompts matching "Practice: The sign pattern of the cofactors in a 3 by 3 determinant"
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Structured question: find coordinates of intersection points
I am in SS 2. Give me a multi-part question where I solve a linear-quadratic system and th
Learn: Factorising a quadratic whose coefficient of x squared is one
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Quiz: Factorising a difference of two squares in order to solve it
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Practice: Factorising a quadratic with a common factor taken out first
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Common Mistakes: Writing down the roots once the brackets are found
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Final Revision: Why completing the square always works
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Final Revision: A word problem solved with the quadratic formula
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Worked Example: The product of the roots as c over a
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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
Spot My Mistake: Finding a missing coefficient from a stated product of roots
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Common Mistakes: Roots that are reciprocals of one another
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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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Quiz: The value of one over alpha squared plus one over beta squared
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Spot My Mistake: The value of alpha over beta plus beta over alpha
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Common Mistakes: A symmetric function needing the sum and product twice over
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Learn: Forming the quadratic that decides where a line meets a curve
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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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