How to Find the Square Root of a Number Videos - Free Educational Videos for Students in K - 12

Array

Lumos Video Store

This page provides a list of educational videos related to How to Find the Square Root of a Number. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to How to Find the Square Root of a Number.


Approximating square roots


By Khan Academy

Learn how to find the approximate values of square roots. The examples used in this video are √32, √55, and √123. The technique used is to compare the squares of whole numbers to the number we're taking the square root of.

Roots of decimals and fractions


By Khan Academy

Learn how to find the square root of a decimal number. The problem solved in this video is p^2 = 0.81.

Example: Complex roots for a quadratic | Algebra II | Khan Academy


By Khan Academy

This video shows us how to use the quadratic formula to find the roots of a quadratic equation when those roots are complex numbers. Apply the quadratic formula as you have before, but be very careful when simplifying the radical part of the formula. And, as always, double check that you calculated the number under the square root (called the discriminant) correctly! Most mistakes with the quadratic formula happen under the square root!

13 - Add and Multiply Imaginary Numbers - Part 1


By Math and Science

Quality Math And Science Videos that feature step-by-step example problems!

10 - What are Imaginary Numbers?


By Math and Science

Quality Math And Science Videos that feature step-by-step example problems!

Geometry Concepts | MathHelp.com


By MathHelp.com

This lesson covers solving multi step equations. Students learn to solve equations that involve the distributive property by first distributing through the parentheses, then combining like terms, then solving from here. Students are also reminded to show all steps when solving equations.

Writing Equations of Ellipses In Standard Form and Graphing Ellipses - Conic Sections


By The Organic Chemistry Tutor

This algebra video tutorial explains how to write the equation of an ellipse in standard form as well as how to graph the ellipse when in standard form. It explains how to find the coordinates of the foci, vertices, and co-vertices. This video contains plenty of examples and practice problems.