643 prompts matching "Proving that a quadratic expression is positive for every real x"
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Final Revision: Expressing a rationalised answer in the form a root b over c
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of e
Quiz: Rationalising a denominator of the form one over 2 plus root 3
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Common Mistakes: A surd equation that has no real solution
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Explain Back: Testing the integers for closure under division
I have just studied testing the integers for closure under division in my SS1 Further Math
Final Revision: Why closure is checked before any other property
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WAEC Prep: An operation that is commutative but not associative
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Practice: The law for a power raised to another power
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Explain Back: The law for a product raised to a power
I have just studied the law for a product raised to a power in my SS1 Further Mathematics
Spot My Mistake: The law for a quotient raised to a power
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Spot My Mistake: Evaluating an expression using the laws of logarithms
Act as my SS1 Further Mathematics tutor. Work a question on evaluating an expression using
Common Mistakes: Rejecting a root that makes a logarithm undefined
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Spot My Mistake: Solving a linear inequality that contains a fraction
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IGCSE Additional Maths Y10: Showing that f of f inverse of x gives x back — Common Mistakes
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y10: Reading the roots of a quadratic straight off its completed square form — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y10: Finding the range of k for two distinct roots — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on fin
IGCSE Additional Maths Y10: A line that is a tangent to a curve, and the discriminant — Common Mistakes
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y10: Using the discriminant to show an expression is never negative — Exam Technique
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me how to handle
IGCSE Additional Maths Y10: A quadratic inequality arising from a discriminant condition — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st