# Radical Polynomial Expressions (Part 2)

Taught by MrRutter
• Currently 3.0/5 Stars.
6245 views | 2 ratings
Part of video series
Meets NCTM Standards:
Lesson Description:

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?
• #### Staff Review

• Currently 3.0/5 Stars.
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.
• #### jbhawkins

• Currently 4.0/5 Stars.
Great personality, Have the numbers bigger, and easier to see, find little ways to express your point more clearly. Great personality and enthusiasm.