1,014 prompts matching "A singular matrix, and why it has no inverse"
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Non-calculator paper: subtract polynomials and state the degree
Set me a non-calculator question where I subtract one polynomial from another, simplify, a
Worked Example: Halving the coefficient of x and squaring it
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on halvin
Common Mistakes: Checking a completed square by expanding it again
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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: Finding the sum and the product without solving the equation
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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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Common Mistakes: A line and a curve meeting once without the line being a tangent
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Show All Working: Adding and subtracting two polynomials
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Worked Example: The division algorithm for polynomials
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Explain Back: A polynomial with a repeated linear factor
I have just studied a polynomial with a repeated linear factor in my SS2 Further Mathemati
Final Revision: Checking a factorisation by expanding it again
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Practice: A cubic with one real root and two complex ones
Act as my SS2 Further Mathematics tutor. Give me five practice questions on a cubic with o
Worked Example: Sentences that are not propositions
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Final Revision: The exclusive sense of or, and its truth table
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Explain Back: The inverse of a conditional
I have just studied the inverse of a conditional in my SS2 Further Mathematics class. Let
Final Revision: An argument written in words and tested for validity
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Spot My Mistake: Arrangements round a table with men and women alternating
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Explain Back: Probability with replacement and without replacement
I have just studied probability with replacement and without replacement in my SS2 Further