6. Equations With Radicals

It is important in this section to check your solutions in the original equation, as the process that we use to solve these often produces solutions which actually don't work when subsituted back into the original equation.

(In fact, it is always good to check solutions for equations - you learn so much more about why things are working the way they do. ^_^)

 

Example:

Solve math expression


Answer


Exercises

1. Solvemath expression


Answer


2. Solvemath expression


Answer


3. Solvemath expression


Answer


4. In the study of spur gears in contact, the equation

math expression

is used. Solve for math expression.

[Being able to solve equations like this is important for science and engineering. We often need to solve for a particular variable in a formula.]


Answer





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