575 prompts matching "Checking a root of a cubic by substitution"
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Deciding whether a geometric series converges
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Negative indices in algebraic fractions
I am in SS 1. I attempted an Additional Maths question on simplifying an algebraic express
Simplifying a mixed index expression
I am in SS 1. Quiz me with 3 short Additional Maths questions on simplifying an expression
Index equations reducing to a quadratic
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Standard form calculations using indices
I am in SS 1. Teach me converting numbers to and from standard form and using the laws of
Solving 9^x x 3^(x+1) = 1
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Simplifying an algebraic fraction with index rules
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Index equation with equal exponents, unknown base
I am in SS 1. Teach me solving an equation of the form x^3 = 125 for an unknown base x the
Adding surds that need simplifying first
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Multiplying two surds together
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Expanding a binomial surd bracket
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Squaring a surd expression
I am in SS 1. Teach me squaring a binomial surd expression, such as (2 + root 5)^2, showin
Rationalising a denominator with a single surd
I am in SS 1. Quiz me with 4 short Additional Maths questions on rationalising a denominat
Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Rationalising using the conjugate
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Rationalising a more complex conjugate denominator
I am in SS 1. I attempted an Additional Maths question on rationalising a fraction with a
Solving a surd equation with terms on both sides
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Surds arising from Pythagoras' theorem
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Distinguishing rational and irrational numbers
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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