O-LevelAdditional MathematicsStraight line graphsMay/June 2018Paper 2 Q87 Marks
An experiment was carried out recording values of y for certain values of x. The variables x and y are thought to be connected by the relationship y = axⁿ, where a and n are constants. The values of ln y and ln x were plotted and a line of best fit drawn. This is shown in the diagram below. [Figure 8.1]
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