1,045 prompts matching "The range of values of x for which an expression stays positive"
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Simplify the surd expression (2+sqrt5)^2
Act as my SS2 Further Maths tutor. Show me step by step how to simplify (2+sqrt5)^2, extra
Worked example: find the distance between the points (1,2) and (4,6)
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Worked example: find the inverse of [[2,1],[5,3]]
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Worked example: find the angle between the vectors (1,2) and (3,-1) using the dot product
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Worked example: determine whether the argument 'if p then q; p; therefore q' is valid using a truth table
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Real-life application of sum and product of roots
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Structured question: quadratic formula with exact surd answer
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Give your answer correct to command word: quadratic formula
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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
Quiz: Finding the sum and the product without solving the equation
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Final Revision: One root twice the other, and what that gives
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Worked Example: The identity linking alpha squared plus beta squared to the sum and product
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WAEC Prep: Forming an equation whose roots are alpha plus one and beta plus one
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Common Mistakes: A symmetric function needing the sum and product twice over
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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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Quiz: The leading term and the constant term
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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
WAEC Prep: Expressions that are not polynomials, and why not
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Common Mistakes: Multiplying one polynomial by another
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