Test Helps Search Results

How To: Find the slope of a line in mathematics

Need to know how to calculate the slope of a line? This free video algebra lesson will teach you everything you'll need to know. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Compare fractions using inequalities

Compare fractions with inequalities! Watch this video lesson to see how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this free math tutorial, you'll learn how to evaluate fractions using inequalities.

How To: Find the domain of a function without graphing

Want to find the domain of a function without graphing it? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Find and sketch the domain of a multivariable function

Looking for a primer on how to find and sketch the domain of a function z = f(x, y) in calculus? Learn how with this free video calc lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Work with continuous random variables in calculus

Looking for a primer on how to work with BRIEF probability density functions and continuous random variables in calculus? Learn how with this free video calc lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Use eigenvectors & eigenspaces for a 3x3 matrix

Learn how to use eigenvectors and eigenspaces for a 3x3 matrix in linear algebra. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Determine the eigenvalues of a 3x3 matrix

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to determine the eigenvalues of 3x3 matrices in eigenvalues.

How To: Calculate angles formed between parallel lines

Calculate the angles formed between parallel lines and a transversal. This free video geometry lesson will show you how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Write an analytical proof of the quadratic formula

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to write a formal analytical proof of the quadratic formula.

How To: Create a simple IF function formula with text in Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 217th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a simple If function formula that uses a logical test that involves text (instead of a number).

How To: Cheat on a written test

This video is for educational purposes only! Cheating is bad and it is not recommended. If you get caught, you support the consequences! If you "steal" want to cheat (ha ha, get it?), you can at least see a good way to do it.

How To: Prepare soil for planting irises

Southwest Yard and Garden shows viewers how to prepare the soil in order to plant Irises. You can see if your oil needs to be prepared because it would look like it need nutrients. Irises deplete the oil they are in so you need to restore their nutrients to the soil. First, you should get your soil tested to see what nutrient should be added to the soil. First loosen the soil. Next, add in the nutrients. Start with alfalfa pellets to add Nitrogen. Add a little bit of sand to loosen soil - don...

How To: Get a Canadian citizenship card

The citizenship card is a document that naturalized Canadian citizens use to prove that they are Canadian citizens. This card is needed to get certain documents such as a Canadian passport. It never expires but it can be updated to include a new picture or name change. Citizens born in Canada do not use the card, they use their birth certificate to prove citizenship. Naturalized citizens can apply for this card and so can people with parents of Canadian descent. People who have previously had...

How To: Cycle a fish tank

Getting a fish? The first thing you'll need to learn in order to keep it alive, is how to prepare your aquarium and its water. Ensure a healthy, balanced environment in your aquarium by following this simple process.

How To: Clean up dog accidents properly

This housekeeping how-to video offers five tips for cleaning up your dog's accidents. Follow along and clean up dog accidents properly with help from the Dog Channel's five tips. Learn to clean up urine or soil, keep your home smelling fresh and prevent future accidents.

How To: Test Your Social Distancing Skills from Home with This AR App for Android & iOS

The impact of the COVID-19 pandemic caused by the novel coronavirus has practically guaranteed that the virus, along with the phrases "social distancing" and "flattening the curve," will rank among the top search terms of 2020. USA Today combined the phrases in its latest augmented reality experience, which quizzes your knowledge in the best practices of social distancing.

How To: Make Your AirPods Pro Fit Better by Testing the Rubber Tips

Everybody loves AirPods, right? Well, maybe everybody whose ears fit AirPods. That was the issue with the first two generations — one size doesn't fit all. But the new AirPods Pro come with three rubber ear tips of different sizes. While you can experiment on your own to figure out which fits best, Apple programmed your AirPods Pro to make that determination itself.

How To: Gamify Diagnostics on Your Android Phone

Running diagnostics on your Android phone can be a very tedious process. More often than not, you need to key in dialer codes to see if your device's hardware is functioning properly, though you can also download apps — but these are often hard to understand for a layperson. When a smaller component like a proximity sensor fails, you're often left with no other choice but to take it to a professional.

How To: Iterate Faster Inside Unity Using Holographic Emulation

In recent weeks, Unity has made a few great leaps forward for HoloLens development. These new features will increase iteration speed inside Unity and quickly increase the output of applications in the mixed reality space. Of these new features, let's take some time to talk about Holographic Emulation and why this will do so much for the development community.

Hack Like a Pro: Snort IDS for the Aspiring Hacker, Part 2 (Setting Up the Basic Configuration)

Welcome back, my tenderfoot hackers! As you should know from before, Snort is the most widely deployed intrusion detection system (IDS) in the world, and every hacker and IT security professional should be familiar with it. Hackers need to understand it for evasion, and IT security professionals to prevent intrusions. So a basic understanding of this ubiquitous IDS is crucial.

Hack Like a Pro: How to Hack Web Apps, Part 6 (Using OWASP ZAP to Find Vulnerabilities)

Welcome back, my tenderfoot hackers! Web apps are often the best vector to an organization's server/database, an entry point to their entire internal network. By definition, the web app is designed to take an input from the user and send that input back to the server or database. In this way, the attacker can send their malicious input back to the servers and network if the web app is not properly secured.

How To: Anti-Virus in Kali Linux

Hello fellows nullbyters, first of i will start saying that im addicted to this community, i feel the challenge growing up so fast, all the newbies, amateurs,advanced and professionals hackers around trying their best to help the community, badly but we got some script-kids too but anyway, today we are going to learn how to install and use clanAV in kali linux.. INTRODUCTION

How to Train Your Python: Part 3, Basic String Manipulation

Last time in how to train you python, we covered the basics of variables and output. While we were covering variables, we talked briefly about strings. "String" is just a fancier way of saying "Word". A string is simply a set of characters encased in quotations, this lets python know that it is a word. Sometimes when we do things with strings we'll need to change them in order to do something. Python is case sensitive, for example "Null-Byte" is not the same as "null-byte". This is where mani...