487 prompts matching "Assuming a quadratic with a negative discriminant has no roots at all"
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Surds in the quadratic formula
I am in SS 1. Quiz me with 5 short Additional Maths questions on why the quadratic formula
Learn: Simplifying root 72 into its simplest form
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Learn: Factorising a quadratic before solving the inequality
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Negative indices as fractions
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on nega
Negative indices in algebraic fractions
I am in SS 1. I attempted an Additional Maths question on simplifying an algebraic express
Fractional indices as roots
I am in SS 1. Teach me fractional indices, converting between root form and index form, su
Evaluating (1/2)^-3 without a calculator
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Explaining why a^1/n means the nth root of a
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Expanding a binomial surd bracket
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Simplifying a fraction with a surd numerator
I am in SS 1. Teach me simplifying a fraction where the numerator contains a surd, such as
Rationalising the denominator when it's a surd minus a surd
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Solving a surd equation that gives an extraneous root
I am in SS 1. Quiz me with 3 short Additional Maths questions on solving a surd equation s
Reading and writing set notation
I am in SS 1. Teach me reading and writing basic set notation, such as element-of, subset-
Distinguishing gradient sign: positive, negative, zero, undefined
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Quiz: Reducing two surds to the same root in order to compare them
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Spot My Mistake: Why root 8 and root 2 turn out to be similar
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Final Revision: Surds that cannot be combined at all
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Quiz: Subtracting one surd from another
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Spot My Mistake: Dividing one surd by another
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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