How To: Factor differences of squares
A video that demonstrates one of the basic techniques involved in factorizing an equation that contains the difference of two terms which are also perfect squares themselves and are equated to 0.
A video that demonstrates one of the basic techniques involved in factorizing an equation that contains the difference of two terms which are also perfect squares themselves and are equated to 0.
In this tutorial, we learn to know the differences in quinoa. Quinoa is a complete protein that's very mineral rich. There is a tan and red variety, both are delicious. This is an ancient South American grain that is gluten free for the wheat intolerant. When prepping this, you will first need to rinse it off thoroughly. Cooked quinoa can be mixed with toasted sunflower seeds, lemon juice, sea salt, and olive oil for a great taste that is full with nutrients. It's a great replacement for rice...
In this tutorial, we learn how to know the difference: census, study, & sample survey. The census is when everyone's opinion is needed. An example is when you will see census studies happen throughout the year from the government seeing how many people live in one household. A study is when you only need the opinion of experts. This can be when companies are releasing a new product and need the opinions of doctors or dentists about it. A sample survey is when a few people's opinions are enoug...
If you are a serious bike rider, chances are you have had or will have a flat tire at a disastrous time during a ride at some point. Knowing how to change out the bad tire and tube (and having a spare to replace them with) can make all the difference in saving your ride. This video will show you how to change the tire tube on you wheel while on the trail quickly and easily, getting you back riding.
In this tutorial, we learn how to demonstrate the difference between land & sea ice. First, fill up two large aquariums with water, then add in a glacier to one aquarium and an iceberg in the other. This will see how the water level changes based on the melted of each different ice item. Draw a line at the water line where it started at, then when the ice melts, check the water levels. When finished, see what the water levels have ended up at. Now you will be able to show this to your student...
In this tutorial, we learn how to use colons and semicolons. You will use a colon when the second sentence is explaining a 'why' of the first sentence. You will use a semicolon when the second sentence is adding more to the first sentence, not explaining it. You can also use a colon when you are writing a long list and the sentence can't stand alone. Use a semicolon to separate two sentences that can stand independently. Knowing the difference between when to use these punctuations can mean t...
When you are given a point through which a line passes and the slope of that line, you can calculate the equation of that line. The general equation to solve this kind of equations is called as point-slope form. The point slope of a line passing through (a, b) with slope of m is (y - b) = m * (x - a). Now substituting the values in the above equation you can obtain the equation of the line in terms of x and y. In case you are given with two points first find the slope of the line which is the...
In this video the instructor shows how to identify patterns in numbers, figures, letters. When given a pattern like 1, 2, 4, 7 try to find the change in each of the successive numbers in the pattern. If you observe carefully you will notice that the difference of the second and first number is one. Similarly the difference of the third and second number is two and this pattern keeps repeating. So this pattern is generated by taking 1 and adding 1 to it. To the next number add 2 to get the thi...
In this video the instructor shows how to find the slope of a line given two points that like on the line. Slope of a line is the measure of the steepness of the line compared to the angle made by the line with the x-axes. A line with positive slope slants forwards and a line with a negative slope slants backwards and a line parallel to x axes has zero slope. So if you are given two points (x1, y1) and (x2, y2), the slope of the line passing through those two points is equal to m = (y2 - y1)/...
To write the sum or difference of logarithms as a single logarithm, you will need to learn a few rules. The rules are ln AB = ln A + ln B. This is the addition rule. The multiplication rule of logarithm states that ln A/b = ln A - ln B. The third rule of logarithms that deals with exponents states that ln (M power r) = r * ln M. Using these three rules you can simplify any expression that involves logarithms to arrive at a single logarithm. The instructor shows how to apply these rules to a f...
In this video the instructor shows how to find the equation of the line given its slope and a point that lies on it. If the slope of the line is m and the point that lies on it is (x,y) then you can find the equation of the line by substituting the values in the slope-intercept form of an equation which is y = mx + b. Now substitute the values in the above equation and solve it for the value if the y-intercept y. Now you have the slope m and y intercept b. Substitute these values in the gener...
In this video the instructor shows how to derive a general equation for a line in Point-Slope form. The slope of an equation is the ratio of difference of y coordinates to the difference of x coordinates. In other words, slope is the change of y up on change of x. So you have the basic slope equation m = (y2 - y1)/(x2 - x1). When you have fractions you can simplify them by multiplying the denominator to the numerator on both sides. So multiply the equation by (x2-x1) on both sides. This gives...
In this video the instructor shows how to write a linear equation. If you need to find the equation of a line that passes through the two given points then you need to find the linear equation of that line. The first step is to find the slope of the line that passes through these points. The slope can be calculated by finding the ratio of the difference of y coordinates to the difference of the x coordinates i.e. the change in y up on the change in x. Now substitute the value of slope and any...
In this video tutorial, viewers learn the differences between a top and front loading washing machine. This video will describe the good and bad factors of each one. The front loading washing machine is energy efficient, uses only 15-18 gallons of water and cleans more efficiently. The only downfall is that the front loading washing machine has a higher costs. The top loading washing machine uses 45-50 gallons of water and does not clean clothes as efficiently. It is not energy efficient and ...
This video involves making the distinction between two different types of stitches that are used in knitting. To be more specific, the video explains how to differentiate between a knit stitch and a purl stitch. The video is a part of a series of videos that deal with knitting; the speaker mentions that the subject at hand was touched on in a previous video. The speaker explains that is important to understand the difference in knitting so you can keep track of your work. The speaker explains...
For more advanced math, you will need to use the difference of squares in order to factor certain polynomials. This video offers the basic technique for this factoring method as well as a few examples to get you started. In order for this factoring technique to work, you will need two numbers which are squares and are being subtracted from each other. The two factors will be the original numbers added to each other as well as subtracted from one another. This fast and simple factoring method ...
In this tutorial the instructor shows how to derive a straight line equation. He shows us a process that consists of two steps. In step one he uses the slope formula to obtain the slope of the line which is the ratio of difference of y-coordinates and difference of x-coordinates. Now in the step two he uses the slope he obtained in the first step and equates it two a another slope derivation which uses a generic x, y variables and a real point. Now solving this equation he arrives at the equa...
In this Excel magic trick video the tutor shows how to use the years worked formula using Yearfrac, Int and Datedif functions. He says that using this trick you can find out how many years some one has worked if we know his starting date and ending date i.e. he shows how to extract the difference in years directly by using formula to calculate it. He shows how to use Yearfrac function which gives the number of years in decimal form. He also shows how to extract integer from the decimal using ...
What is the difference between a F1.8 lens and a F5.6 lens? It's really very simple! F8.1 has a much larger lens, and therefore it allows more light to pass through. There are several benefits in having a larger lens. Number one: The quality of the background is improved. Number two: Your focus speed is faster. Number three: Low light ability is better. F1.8 lens are a professional level. F5.6 lens are the commercial kind. For a higher quality photo, you might consider using a larger size lens.
Stick Figures, a jerk dance crew, show JusJerk the difference between The Dougie and The Jig and describe how its differences are not only in movement, but more in attitude. Don't miss the free-style Jerking in the beginning of the video! Who knows, it may inspire some new moves!
Check out this instructional acoustic guitar video that shows you how to play the 5 Major scale positions every guitar player should know. Ideally, you should work through them in all 12 keys. Improve your guitar playing skills by watching this short tutorial video to learn how to play the five major scale positions on the acoustic guitar.
Check out this instructional acoustic guitar video that shows you how to play the A major scale in 2nd position picking each note twice. This is a great way to practice scales. Improve your guitar playing skills by watching this short tutorial video to learn how to play the A major scale on acoustic guitar.
Check out this instructional guitar video that shows you how to play a G major scale and build on an open G string. Building a G major scale on the open G string is a good exercise to play to help improve your guitar skills. This short lesson is great for advanced beginners who need to practice on the acoustic guitar.
Learn how to choose the right paint for your next project. In particular, this DIY guide looks at the following topics:
Ever wonder what tree is which in the bush, or what each tree is useful for? This video tutorial will show you how to identify the various trees that are useful in Bushcraft. Andrew Price explains the difference between the trees, like Ash, Beech, Holly, and Elder trees, and their uses. If you need to survive in the wilderness, this is a great way to do it.
In this video tutorial, Chris Pels will show how to deploy a web site using the Copy Web Site Tool in Visual Studio. First see how to connect to a remote web site and deploy an entire site to the target location. Next, learn how to synchronize an entire source and target web site. In addition, see how to copy and synchronize individual or groups of files including how the Copy Web Site tool provides status indicators of differences between files. As part of this process see how the tool provi...
Instantly improve your American English pronunciation by following these invaluable tips on how to speak more slowly. You'll be amazed at the difference in your speech!
This episode shows you what to expect when installing Ford Racing Performance Parts pedals on your Ford Mustang. These are the same pedals found on the Bullitt edition Mustang. They make a big difference in appearance and comfort but you will need to use a couple of special techniques to install them without losing your patience.
Major piano scales are composed of a series of five whole and two half steps in this sequence: whole step, whole step, half step, whole step, whole step, whole step, half step. This video starts by showing you how to play a C major scale.
A steadicam can mean the difference between a professional and steady wide shot of Victorian era London or a wobbly, user-generated content-esque portrayal of some old lamps and streets. Having control over how your camera moves is so vital to good film production.
In Part 1 of this electric guitar video lesson, brought to you by GuitarJamz, host Marty Schwarz will teach you how to play "Sir Duke" by Stevie Wonder. As you follow along with him, he teaches you the intro of the song, breaking it down slowly so that you can follow along with him. Then he moves on to the progression of the chords used in the song, breaking down each part of the song, teaching you the chords and explaining the strum pattern and picking of the guitar riffs. You will learn the...
The presenter, Ms. Jennifer explains how compound words are formed from phrasal verbs. With examples she explains how the meaning and pronunciation differs when compound words are formed from phrasal verbs. She explains the difference between 'show' and 'show off' by showing her collection of fans, and showing off with one of her beautiful fan from Japan. Then she explains the difference between 'show off' and 'show-off', giving examples and makes the listeners clear about compound nouns also...
Nate Bosch with Piano Lessons demonstrates how to play the phrygian mode on a piano. The phyrgian mode is the third mode of the major scale. Take the C major scale. The phyrgian mode will start on the third note of that scale, which is E, and contain the same notes as the C major scale. From those notes, a seventh chord can be built. Play the E, G, B and D notes to make the E minor seven chord. That mode built out of the C major scale creates E minor seven chord or the three chord. Other keys...
To play If I Were a Rich Man, on the accordion, begin by playing a G major cord, playing the keys (of the right hand) in this order: D, C, D, C, B, and then G. Then, play B, C, D, C, D, C, B, C, F, E, and then D.
This is a video guitar lesson brought to you by andrewwasson.com, and is Part 1 in the series "Harmonized Moveable Chord Shapes". This video lesson covers how to study chords on the guitar neck, and how to practice playing harmonized scales using both triad and seventh chord qualities. The idea taught here works well, because the harmonized major scale gives you most of the popular chords in today's music. These include: the Major Triad & Major Seventh, the Minor Triad & Minor Seventh, the Di...
Getting to know your scales are important to understanding music theory, learning your fretboard, improving your technique and training your ear. Check out this instructional acoustic guitar video that shows how to play C major scale in first position. Playing a scale on one string is a great way to learn the fretboard but not the most efficient way to play a scale. Try a 1st position C major scale. Start by putting your 3rd finger on low C (3rd fret of your A string). Proceed to follow the a...
The first couple of months of learning a new instrument are often the most challenging - and boring. That's because rather than focusing on pounding out songs, you're instead practicing chord progressions, major and minor scales, and finger work.
A metered dose inhaler is one of the oldest and mostly widely-used kinds of inhaler for quick relief and long term control Asmtha treatment. This video will show you quickly and easily how to use both major types of metered dose inhalers for both major types of Asmtha medicine, ensuring that you get the relief you need from your inhaler.
In this clip, you'll learn how to play baisc major triads on a standard four-string ukulele. If you want to get really good at playing the ukulele, it stands to reason that you'll need to practice. Happily, the Internet is awash in high-quality video lessons like this one from the folks at Ukulele Underground. For more information, including a step-by-step overview, watch this free video ukulele tutorial.
In this clip, learn how to play major scales on the ukulele. If you want to get really good at playing the ukulele, it stands to reason that you'll need to practice. Happily, the Internet is awash in high-quality video lessons like this one from the folks at Ukulele Underground. For more information, including a step-by-step overview, watch this free video ukulele tutorial.