## Radical Polynomial Expressions (Part 2)

• Currently 3.0/5 Stars.
3565 views, 2 ratings - 00:08:14
Part of video series Radical Expressions
Taught by MrRutter

### Meets NCTM Standards:

Learn how to find exact solutions for radicals of polynomial expressions.
• How do you simplify the radical of a polynomial expression?
• What is the cube root of 216 and how do you find it?
• What is the square root of x^2?
• What is the cube root of -125x^6?
• What is the fourth root of 16p^8q^4?
• Why do you have to put an absolute value sign around a variable when you take the square or fourth or even root of the variable?
• Why is the square root of x^2 equal to the absolute value of x?
• What is the square root of -4s^4?
This lesson picks up from the previous lesson by finding square and cube roots of both numbers and variable expressions. This sometimes confusing topic is explained step by step in a very understandable way.
• Currently 3.0/5 Stars.
Reviewed by MathVids Staff on April 18, 2009.
Great personality, Have the numbers bigger, and easier to see, find little ways to express your point more clearly. Great personality and enthusiasm.
• Currently 4.0/5 Stars.
Reviewed by jbhawkins on April 19, 2009.