755 prompts matching "Learn: The equation of a circle with its centre at the origin"
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Index equations with a fractional right-hand side
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on solv
Solving an equation with a fractional exponent on x
I am in SS 1. Quiz me with 3 short Additional Maths questions on solving x^(2/3) = 4 for x
Solving a surd equation with terms on both sides
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Comparing the size of two surds
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Working with cube roots as a type of surd
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Finding the nth term of an arithmetic sequence
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Sum of the first n terms of an arithmetic series
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Finding the number of terms in an arithmetic series
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Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Finding the point of intersection of two lines
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Quiz me rapid-fire on gradients and equations of lines
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Factorising the sum and difference of two cubes
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Simplifying an expression with brackets and indices together
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Cross-multiplying to solve an equation with fractions
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Worked Example: Why the square root of a non-square whole number is irrational
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Common Mistakes: Expanding the product of two surd brackets
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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