Question: 9. It is believed that two quantities, x and y, are connected by a relationship of the form y= kx , where & and n

9. It is believed that two quantities, x and y, are connected by a relationship of the form y= kx" , where & and n are constants. In an experiment, the following data were produced. X 5 10 15 20 25 30 35 9 24 48 69 102 131 166 (i) Explain how the form of the relationship can be tested by plotting log y against log x. [2] (ii) Make out a table of values of log x and logy and plot the graph. [3] Use your graph to estimate the values of k and n. [3]

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