Solving an Equation Containing a Radical

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Radical equations have square roots in them and it's that darn square root that can make a simple-seeming equation a real challenge. The key is to remember when you are dealing with radicals, in order to get rid of the radical you must square both sides. Most often, getting rid of the radical leaves you with a much simpler equation that can be factored with few issues. In today's free Pre-calculus lecture, Professor Burger runs through a couple of examples and shows radicals aren't as scary as we might think. He even covers a radical equation that due to its structure contains a binomial. This is Prof. Burger's number one classic mistake many students make in that they square the numbers without using FOIL. Learn how to avoid this mistake and how to properly deal with a variety of radicals within equations in today's video.


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This page contains a single entry by April Stockwell published on March 30, 2011 1:11 PM.

Factoring Trinomials Completely was the previous entry in this blog.

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