883 prompts matching "Proving that a quadratic expression is positive for every real x"
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Spot my mistake in a quadratic inequality solution
I am in SS 2. I will show you my working for solving a quadratic inequality. Check whether
Practice: Factorising a quadratic with a common factor taken out first
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Worked Example: Substituting a, b and c into the quadratic formula correctly
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Common Mistakes: A sign error in the formula, and how to catch it
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Quiz: Solving the quadratic that results from the substitution
Act as my SS2 Further Mathematics tutor and quiz me on solving the quadratic that results
Common Mistakes: A word problem giving one linear and one quadratic equation
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Worked Example: The discriminant used as the test for intersection
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WAEC Prep: Expressions that are not polynomials, and why not
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Worked Example: The division algorithm for polynomials
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Practice: A division that leaves no remainder
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Spot My Mistake: A division that leaves a linear remainder
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Practice: Showing that x plus 3 is a factor of a given polynomial
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Common Mistakes: Using the factor theorem before dividing
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Practice: Factorising a quartic as the product of two quadratics
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Common Mistakes: Writing the converse, inverse and contrapositive of one statement
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Practice: Showing that a statement is a tautology
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IGCSE Additional Maths Y11: Finding every angle in a range with a given sine — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: An equation that factorises into two ratios — Spot My Mistake
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on an
IGCSE Additional Maths Y11: The binomial theorem stated for a positive integer index — Teach Me
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Teach me the binomial
IGCSE Additional Maths Y11: Proving a quadrilateral is a parallelogram using vectors — Show All Working
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on p