1,320 prompts matching "The minimum value of a quadratic found by completing the square"
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Spot my mistake integrating a polynomial
I am in SS 3. I integrated a polynomial but I think I forgot the constant of integration o
Spot my mistake finding a vector cross product
I am in SS 3. I calculated the cross product of two 3D vectors but I'm not confident about
Common Mistakes: Showing that intersection distributes over union
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Spot My Mistake: Squaring a bracket that contains a surd
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Final Revision: Proving that root 2 is irrational
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Common Mistakes: Solving an exponential equation using logarithms
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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Common Mistakes: Adding, subtracting and multiplying two polynomials
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Common Mistakes: Three roots in geometric progression in a cubic
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Spot My Mistake: Arrangements in which two particular objects must be kept apart
Act as my SS3 Further Mathematics tutor. Work a question on arrangements in which two part
Common Mistakes: Identifying a conic from a general second-degree equation
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
Act as my SS3 Further Mathematics tutor. Work a question on an aeroplane in a cross-wind,
Final Revision: Showing that a given motion is simple harmonic
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Spot My Mistake: A particle hanging in equilibrium on an elastic string
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Spot my mistake: Treating any vector with small components as a unit vector
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What a function is and function notation
I am in SS 3. Give me a Cambridge IGCSE Additional Mathematics style exam question on what
Mapping diagrams and function types
I am in SS 3. I'm going to explain how a mapping diagram represents a function, and identi
Self-inverse functions
I am in SS 3. Quiz me with 3 short Additional Maths questions on what it means for a funct
Why not every function has an inverse function
I am in SS 3. I attempted an Additional Maths question on why some functions, such as f(x)
Composite function with three functions applied in order
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