This is a free lesson from our course in Algebra II
This lesson introduces the techniques used and concepts involved in solving
radical equations. You will learn it with the help of some
examples and instructor explains using audio, video presentation in own hand writing.
A 'radical equation' is an equation in which the variable is hiding inside a radical
symbol. For example,
x
+ 5 = 11 is a radical equation, but x +
5
= 11 is not a radical equation.
To solve the radical equation, you may follow the four steps.
First isolate radical by using a step: add/subtract a constant and divide/multiply.
Next, square both the sides to eliminate the radical, if any. Then solve the resulting
equation for variable. At the end, our check answer and make sure, we don’t get
negative value under the radical.
E.g. Solving the equation 3
(2x
 4) + 2 = 14, yields x = 10. Note:The "radical" in "radical equations" can be any root, whether a square root, a cube root, or some other root. Remember always square sides, not terms.
Winpossible's online math courses and tutorials have gained rapidly popularity since
their launch in 2008. Over 100,000 students have benefited from Winpossible's courses...
these courses in conjunction with free unlimited homework help serve as a very effective
mathtutor for our students.

All of the Winpossible math tutorials have been designed by topnotch instructors
and offer a comprehensive and rigorous math review of that topic.

We guarantee that any student who studies with Winpossible, will get a firm grasp
of the associated problemsolving techniques. Each course has our instructors providing
stepbystep solutions to a wide variety of problems, completely demystifying the
problemsolving process!

Winpossible courses have been used by students for help with homework and by homeschoolers.

Several teachers use Winpossible courses at schools as a supplement for inclass
instruction. They also use our course structure to develop course worksheets.