Express y in terms of x. Variables x and y are related so that, when is plotted on the vertical

Express y in terms of x.

Variables x and y are related so that, when is plotted on the vertical axisand is plotted on the horizontal axis, a straight-line graph which passesthrough the point (8, 49) with gradient 3 is obtained.a Express ya in terms of .b Find the value of x when y = 11.​


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