1,483 prompts matching "IGCSE-style teach me: An exponential curve with a negative index"
Worked example: Constructing the perpendicular bisector of a line
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Worked example: Solving by substitution
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Worked example: Solving by completing the square
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Worked example: The equation y equals mx plus c
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Worked example: The equation of a line through two points
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Worked example: The back bearing of a given bearing
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WAEC pitfalls: Treating the digits of a base number as base ten digits
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Worked example: Multiplying two numbers in base five
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WAEC pitfalls: Carrying as though the base were ten
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Practice set: The law for a power raised to a power
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Worked example: Deriving the negative index from the division law
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Practice set: Equating the indices once the bases agree
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WAEC pitfalls: Equating indices when the bases have not been matched
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Practice set: Choosing the ratio that fits the information given
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Worked example: A two-step problem needing two ratios
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Word problem: A depression problem where the observer's height is given
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Worked example: Using the power law to simplify a logarithmic expression
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WAEC pitfalls: Treating the logarithm of a sum as the sum of logarithms
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Worked example: The shape of a logarithmic graph
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Word problem: Logarithms on a scientific calculator
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