755 prompts matching "Solving a logarithmic equation and rejecting the invalid root"
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IGCSE Additional Maths Y10: The gradient of a horizontal line and of a vertical line — Common Mistakes
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y10: The diagonals of a quadrilateral, and where they meet — Common Mistakes
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IGCSE Additional Maths Y10: Sketching a cubic and a straight line on the same axes — Common Mistakes
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IGCSE Additional Maths Y10: Combining two transformations, and the order they are applied in — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
Index equations reducing to a quadratic
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
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
Surd equation from a geometry context
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Finding the point of intersection of two lines
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Cross-multiplying to solve an equation with fractions
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Fractional indices as roots
I am in SS 1. Teach me fractional indices, converting between root form and index form, su
Finding an unknown exponent in an equation
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Index notation for a nested root
I am in SS 1. Quiz me with 3 short Additional Maths questions on rewriting a nested root,
Solving 9^x x 3^(x+1) = 1
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Adding and subtracting like surds
I am in SS 1. I'm going to explain adding and subtracting surds that share the same irrati
Multiplying two surds together
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Expanding brackets containing surds
I am in SS 1. Quiz me with 4 short Additional Maths questions on expanding a bracket conta
Expanding a binomial surd bracket
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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
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on rati