755 prompts matching "expand (1-x)^4 fully and use it to estimate (0.98)^4"
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Rationalising the denominator when it's a surd minus a surd
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Logical reasoning with 'and' versus 'or' in sets
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Mixed sequence exam question, arithmetic and geometric
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Expanding a product of three brackets
I am in SS 1. I'm going to explain expanding a product of three linear brackets, such as (
Solving a linear inequality and showing the solution
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Cross-multiplying to solve an equation with fractions
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Learn: Simplifying root 72 into its simplest form
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Common Mistakes: Expanding the product of two surd brackets
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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Learn: What it means for an operation to be commutative
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Learn: What it means for one operation to distribute over another
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Learn: Solving an equation by writing both sides to the same base
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Learn: The four inequality symbols, and what each one means
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Learn: Factorising a quadratic before solving the inequality
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Index equations with a fractional right-hand side
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Evaluating index expressions without a calculator
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Expanding brackets containing surds
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Rationalising a denominator with a single surd
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Rationalising and then simplifying fully
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Surds and indices together in one question
I am in SS 1. Teach me a question that requires converting a surd to index form, simplifyi