Question 1188566: Use the formula 𝑆 =(𝑄−4)/2 where Q is the input to a motor and S is the speed.
What is the speed of the motor when the input Q is -8°?
Answer by ikleyn(52864)   (Show Source):
You can put this solution on YOUR website! .
There are two ways to use formulas.
One way to do it blindly, when a person doesn't know the meaning of the formula and its parameters.
In this case, simply substitute the given value to the formula and calculate.
But in this way, the person is not guaranteed from making errors, since he (or she) does not understand the context.
Another way is to do the job, having full explanations about the meaning of the formula and its parameters.
In this case, do the same: substitute the given values into the formula and calculate.
In this case, the person is protected to some degree from making conceptual errors.
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