## Posts Tagged ‘root’

### Ex: Evaluate the Square Root of a Sum and the Sum of Square Roots on a Calculator

This video explains how to evaluate the square root of a sum and the sum of square roots on the calculator.

### Infinite Series: The Root Test II

This video provides an example of how to determine if an infinite series converges or diverges using the root test.

### Infinite Series: The Root Test I

This video provides an example of how to determine if an infinite series converges or diverges using the root test.

### Ex 5: Completing the Square – Leading Coefficient Not 1 (Complex)

This video explains how to solve a quadratic equation by completing the square when the leading coefficient is not equal to 1 and the solutions are complex.

### Ex: Domain and Range of Radical Functions

This video provided examples of how to find the domain and range of radical functions with index 2, 3, and 4.  The results are checked graphically.

### Ex: Limits at Infinity of a Function Involving a Square Root

This video provides two examples of how to determine limits at infinity of a function involving a square root.  The results are verified graphically.

### Ex: Domain and Range of Square Root Functions

This video provided three examples of how to determine the domain and range of various square root functions.  The results are verified graphically.

### Ex: Find the Inverse of a Square Root Function with Domain and Range

This video explains how to find the domain and range of a square root function, how to find the inverse of a square root function, and find the domain and range of the inverse function.

### Ex: Domain of a Square Root Function with a Quadratic Radicand

This video explains several ways to find the domain of a square root function when the radicand is a quadratic function.

### Ex: Match the Graph of a Horizontal or Vertical Shifted Graph to a Function

This video explains how to determine which function matches a graph that is horizontally or vertically shifted from the parent function.