Curated Video
Squaring and Taking the Square Root: Understanding the Relationship
In this lesson, students explore the relationship between squaring and taking the square root through visual representations and definitions. They learn that squaring a number gives the area of a square, while taking the square root...
Why U
Pre-Algebra 29 - Roots and Unit Fraction Exponents
Exponents can not only be integers. They can also be fractions. Using the rules of exponents, we can see why a number raised to the power "one over n" is equivalent to the nth root of that number.
Why U
Pre-Algebra 30 - Rational Exponents
Exponents can not only be integers and unit fractions. An exponent can be any rational number expressed as the quotient of two integers.
Brian McLogan
What is the principal square root
👉 Learn how to simplify radical expressions. In this playlist we will explore simplifying radical expressions by prime factorization and rules of exponents. We will explore the square root, cube root as well as the fourth root of numbers...
Curated Video
Exploring Rational Exponents and Nth Roots
This lesson will provide instruction to find nth roots and evaluate expressions with rational exponents. I will deomonstrate and explain how to rewrite fractional exponents in radical from as well as how to rewrite radical form to...
Curated Video
Graphing Cubic Root Functions
In this video, the teacher explains how to graph a cubic root function by creating a T chart. They use the example of modeling the minimum wind speed required to create a storm at sea.
Why U
Pre-Algebra 31 - Simplifying Radical Expressions
Radical expressions can often be simplified by moving factors which are perfect roots out from under the radical sign.
Curated Video
Finding Square Roots of Perfect Squares
In this video, the teacher explains how to find the square root of perfect squares by visualizing squares and using new notation. They also discuss the definition of a square root and explain why not all numbers have exact square roots....