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Posted by **rahul patel** on Sunday, October 23, 2011 at 10:19pm.

determine the linear equation if the unstretched spring is 12 inch and weight of 2 lbs stretches it to 16 inch

- math -
**Steve**, Monday, October 24, 2011 at 10:07amLooks like they provide data for two points. If it's a linear function, then those two points will provide the equation for the line.

Two points (0,12)(2,16)

Letting y be the length,

(y-12)/(x-0) = (16-12)/(2-0)

(y-12)/x = 4/2

y-12 = 2x

y = 2x + 12

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