You have the data of two measured variables x and y. According to a theory =the

Question

You have the data of two measured variables x and y. According to a theory =the variables relate to each other as the non-linear functions shown below:

1) y2 = Ax3

2) y3 = A (square root of x)

3) y2 = A/x

4) yx2 = A

where A is constant. For each case, decide which variables you have to choose to plot so the expected graph is a straight line that passes through the origin. Hint: for y2=Ax3 plot y vs x is not linear. How about y vs x2? y2 vsx3? Which dependence gives you a straight line?

Please help! Thank you!

Explanation / Answer

1) choose y2 and x3 as variables

2) choose y3 and x1/2 as variables

3) choose y2 and x-1 as variables

4) choose y and x-2 as variables

These choice of variables will give us a straight line passing thriough origin.

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