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Mathematics 12 Online
daniharson:

Darius is studying the relationship between mathematics and art. He asks friends to each draw a "typical” rectangle. He measures the length and width in centimeters of each rectangle and plots the points on a graph, where x represents the width and y represents the length. The points representing the rectangles are (6.1, 12.0), (5.0, 8.1), (9.1, 15.2), (6.5, 10.2), (7.4, 11.3), and (10.9, 17.5). Which equation could Darius use to determine the length, in centimeters, of a "typical” rectangle for a given width in centimeters?

jhonyy9:

any idea ?

Mercury:

it's asking for an equation that would predict a "typical" value for the data. so you're looking for a regression equation. plot the data, find the general pattern of data (linear, exponential, etc.) and then find an appropriate calculator for the function you want. plug in the data and generate the regression equation.

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