How do you create a linear model in a word problem?

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Answer 1 · 2014-11-07T14:54:51

To find a linear function (model), we need two pieces of information:

#{("Point: " (x_1,y_1)),("[Slope](http://socratic.org/algebra/graphs-of-linear-equations-and-functions/slope): " m):}#

So, find them from the description of the problem, then use Point-Slope Form

#y-y_1=m(x-x_1)#

to come up with the equation.

I hope that this was helpful.