## ← Independent and Dependent Variables - College Algebra

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Showing Revision 2 created 05/25/2016 by Udacity Robot.

1. In an equation like this, in order to calculate the value of y, we need to pick
2. a value of x to plug in to the right side. And then that, in turn, will tell us
3. what y is equal to. Now, of course you can always rearrange equations and solve
4. for x instead, but we tend to write equations like this when we've assigned
5. variables in such a way that y is generally what we're going to be looking for
6. and x is more what we're given. So, for example in the situations we've talked
7. about, the independent variable has been things like time, a sort of more
8. fundamental quality, and the dependent variable has been things like number of
9. sodas spit out, or height of a throw. Overall in the natural state of things, y
10. is going to be determined by x.