Converting Linear Equations

How To : Solve a linear system by elimination method

This video is about using the elimination method to solve a linear system. The lady presenting this video says that elimination method means that one of the two variables has to be eliminated while adding up the two linear equations. She then explains the example equations 6x- ...more

How To : Find points of intersection in different equations

In this tutorial the instructor shows how to solve linear and quadratic equations. It is a liner quadratic system where he shows a parabola and a straight line and he intends to solve the points where the line intersects the parabola. Now he uses comparison to compare the valu ...more

How To : Solve an algebraic equation

Math can be tricky, especially when you're trying to decipher algebra. It's a love-hate thing; if you don't love math, then you hate it, and there's no in-between. But it doesn't have to be a pain to solve a few problems. It's actually quite simple once you figure it out. An a ...more

How To : Solve a linear system with no solution

A method for solving a linear system with no solution is described. The method is described in 4 steps. The first step in the method is designed to solve a linear system that is described consist of “solving by graphing”. Details fo ...more

How To : Solve a linear system by graphing in math

This video teaches you how to solve a linear system by mathematically graphing it out. The video starts off with a problem, asking to solve the system, with two given equations. To solve the system, one would insert 0 for x and solve for y in the first equation to obtain a poi ...more

How To : Solve rational equations

In this video the instructor shows how to solve rational equations. If you have fractions in your equation, then you need to factorize the denominators first. Now compute the least common denominator of all the denominators of the fraction. Next multiply both sides of the equa ...more

How To : Understand Math Like an Engineer for Under $30

Do you believe you just don't have an intuitive sense of math? Sadly, this is the case for many people. The reality is that math is learned with practice. No one is born with a math gene making them more intuitive than others. The Mathematics for Engineers Prep Bundle will sh ...more

How To : Graph a linear equation in 3 different ways

In this video tutorial, viewers learn how to graph a linear equation in 3 different ways. The first way is to use the table of values. It is the slowest method but it always work. It is the most useful. The second way is to use the slope-intercept. It is more faster than the t ...more

How To : Solve a linear equation for x in algebra

Need a little help figuring out how to solve a linear equation in algebra? 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 ...more

How To : Clear decimals from a linear equation

Need instructions on how to remove decimal values from a linear equation in algebra? 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, tha ...more

How To : Graph a linear equation using slope-intercept form

Are you "just not a math person"? Hogwash. Everyone seems to think that at one point in their life. With a little practice and study, math will become more and more easy to understand. Start your journey towards become a "math person" with help from this video, which teaches h ...more

How To : Solve a linear equation

This video explains how to solve a single variable linear equation. Keep in mind that your equation should be in the form ax + b = c. The goal is to solve for x. Isolate the variable. Begin by subtracting b from both sides of the equation. Look at your new equation. It should ...more

How To : Graph linear inequalities

Solving the Inequalities using graph, first you have to take the inequality equation into equal. Then convert the equation into straight line equation i-e(y=mx+c). Giving own values for 'x' like (-1, 0, 1) we would get the value for 'y'. By plotting these points in the graph, ...more

How To : Convert American Pounds to Kilograms

In this video, learn how to convert the American pound (lb.), a United States customary unit of mass, into kilograms (kg), a metric unit of mass in the International System of Units (SI). First, the equation for converting weight from pounds (lbs.) to kilograms is 1 pound div ...more

How To : Find the sine, cosine & tangent of an angle in trig

Need help figuring out the sine, cosine, and tangent of an angle in a right triangle? Need to know how to solve a matrix-form linear equation in algebra? Need help solving problems involving 45°-45°-90° right triangles? You're in luck. From Ramanujan to calculus co-creator Got ...more

How To : Use the Pythagorean theorem in geometry

Need help figuring out how to determine the length of the sides of a right triangle? Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belo ...more

How To : Graph trigonometric functions

Learn how to graph the amplitude and periods of sine and cosine functions in basic trigonometry. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus ...more

How To : Solve a word problem that involves proportions

In this Education video tutorial you will learn how to solve a word problem that involves proportions. To solve such problems you got to express the scenario in proportions. For example, in the problem, ‘Jacob ran 10 miles in 80 minutes’; this rate can be expressed as 10miles/ ...more

How To : Convert Fahrenheit to Celsius

In this tutorial, we learn how to convert Fahrenheit to Celsius. The equation that you will use to figure out Celsius is: C= F-32 (5/2). Once you do this, you can start to fill in the equation with the correct numbers that go in the spots. Continue to do this until you have re ...more

How To : Graph linear inequalities

In this video the instructor shows how to graph linear inequalities. A linear in a equation is almost similar to a linear equation except for the sign in the equation. Now treat the in equation as a linear equation and graph the line. So substitute the lesser than or greater t ...more

How To : Convert temperature using y = mx + b

In this video the instructor shows how to do temperature conversions using y = m*x + b. Now if Celsius is represented by the variable C and Fahrenheit is represented by the symbol F, you can replace then in the previous equation in place of the variables x and y giving you the ...more

How To : Use and convert logarithms in intermediate algebra

Looking for instructions on how to convert logarithmic equations into exponential equations and vice versa? Learn how with this free algebra video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have be ...more

How To : Graph linear functions by finding X & Y Intercept

This video shows the method to graph a linear function by finding the X and Y intercept. Only two points are needed to graph linear functions. So we find the point on Y axis or the Y intercept and the point on the X axis or the X intercept. We notice that on the Y axis the X c ...more

How To : Convert RED 4K R3D files to 2K for Final Cut Pro

In this clip, you'll learn how to convert RED 4K R3D files to 2K for editing within Final Cut Pro. Whether you're new to Apple's Final Cut Pro non-linear video editor or just want to better acquaint yourself with the popular video editing program, you're sure to benefit from t ...more

How To : Find the perpendicular line to a given equation

Want to find a perpendicular line for a given linear equation? 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, i ...more

How To : Identify a linear relation's slope & y intercept

Learn how to identify the slope and y-intercept of a linear relation when given an equation of a linear relation 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 aut ...more

How To : Change a fraction into a decimal

Sometimes it is much easier to work out an equation if your numbers are in decimal form instead of fractions. This is especially useful if you are using a basic calculator. Check out this tutorial and learn exactly how to convert fractions into decimals in math class. So, if y ...more

How To : Use the Pythagorean Formula to find a missing side

The Pythagorean theorem is a simple theorem that states that - for a right angled triangle the square of the length of the hypotenuse is equal to the sum of the squares of the length of the remaining two sides. In this video, a right angled triangle with three sides, namely a ...more

How To : Use inductive reasoning

In this tutorial we learn how to use inductive reasoning. Start out with your equation that is giving you your statement. You need to prove whether this is true or not by figuring out the equation. Look at the different angles to see if they are a linear pair and then see if t ...more

How To : Convert percents into fractions

Percents are handy for displaying statistics or labeling objects such as sale items in a store, or ingredient labels. However, in a math equation, a percent is a bit difficult to use. Therefore, you will need to convert your percents into an easier type of number form. In this ...more

How To : Solve a system of equations through graphing

This video shows the viewer how to solve simultaneous equations using a graph or ‘graphing’ as it is referred to. This is done by first rearranging both equations so that y is the object of both equations. The equations can then be solved via substitution – the video does not ...more

How To : Factor and collect like terms

In this video, the instructor shows how to collect like terms and factorize. When you are given a linear equation, the first thing you do is to try to organize it. Pair up the like terms. Add the numerical coefficients of terms with the same variables. This is called collectin ...more

How To : Find the parallel line to a given equation

This videos explains how one can easily find the parallel line to a given mathematical equation. He starts by explaining what it means for two lines to be parallel mathematically speaking. Defining two lines, then comparing the slope of both lines you can mathematically determ ...more

How To : Graph using the slope intercept equation of a line

This video shows us how to draw a linear equation using the slope and intercept technique. First, the narrator explains how to simplify the equation in order to get the slope and intercept out. He then shows how the coefficient of x equals the slope and the constant term tells ...more

How To : Complete Fahrenheit to Celsius conversion

This video shows you how to convert temperatures from Fahrenheit(F) to Celsius(C). In the video, the example of 75 degrees F is used. The formula for converting Fahrenheit to Celsius is given by temperature in Celsius= (temperature in Fahrenheit- 32)/1.8. So for 75 degrees F w ...more

How To : Convert units of measurement

This video shows you how to easily convert units. The first step you have to do is setup a proportion between a known conversion (e.g.. convert 2.5 km to m: 1km = 1000 m, => 1 km/1000 m = 2.5 km/X m). The second step you have to do is solve the equation by taking the cross pro ...more

How To : Calculate simple interest

Learn how to calculate simple interest with step-by-step instructions using the formula I=prt. Simply defined, interest equals principle times rate times time. The video shows various examples of calculating this formula by plugging different variables into the equation. Altho ...more

How To : Convert decimals into fractions

In this simple tutorial the author shows the basic arithmetic operations like converting a terminating decimal into a fraction. He says that the complexity depends up on the number we are converting. He asks us to imagine the decimal as a fraction with an imaginary denominator ...more

How To : Convert pictures to vector graphics in Flash 8

Vector graphics is the use of geometrical primitives such as points, lines, curves, and polygons, which are all based upon mathematical equations to represent images. In this Flash 8 video tutorial you will learn how to trace an image and convert it to vector graphics Flash 8. ...more

How To : Multiply mixed numbers together

In this video we learn how to multiply mixed numbers together. First, take your mixed numbers and write them into an equation. Next, convert the numbers both to top heavy fractions. Now, multiply the top numerators together and then the denominators together. If you can't work ...more

How To : Find the percent of a number

In this tutorial, we learn how to find the percent of a number. First, take the percent and convert it into a decimal. Then, multiply this by your other number. After this, you will come up with the answer to the problem. An example of this would be if you had the question: wh ...more

How To : Change decimals to fractions

For certain equations, you will need to convert decimal numbers into fractions. If this is the case, there are a few quick steps you will need to take to do so. So, if you can't remember how to do this conversion or are just learning, this tutorial is here to help you. In this ...more

How To : Work with decimal numbers in prealgebra

You can do simple decimal calculation with out using a calculator once you understand the basic concept of decimals. In decimal equations when you have various operations between decimal numbers, you have to go by the order of operations in simplifying it. The order of operati ...more

How To : Multiply and divide three rational expressions

In this video, the instructor shows how to multiply and divide rational expressions. To solve a rational expression that contains many terms, solve step by step by following the order of operations. Order of operations advises one to work the parenthesis part first; so solve t ...more

How To : Solve equations with fractions and decimals

In this tutorial the instructor shows how to solve equations with fractions and decimals. When you have a fraction first try to simplify it by canceling out the common factors in the numerator and the denominator. If there are any decimals convert them into fractions. Now if y ...more

How To : Solve percent equations

In this tutorial the instructor shows how to solve percent equations. The general form of a percent equations is that a is b% of c. As there can be three kinds of variables a, b, c, the questions involving percent equations can be of three types having one of the three variabl ...more

How To : Write the equation of a circle in standard form

Here you'll be shown how to take the equation of a circle, and convert it into standard form. Also, it will be explained just what standard form is, while running through the process of conversion. You'll be able to use techniques to quickly work off the numbers on the equatio ...more

How To : Divide rational expressions containing trinomials

In this video the instructor shows how to divide rational expressions that contain trinomials. A division containing two fractions can always be turned into a multiplication by multiplying the first fraction by the reciprocal of the second fraction. This way any division can b ...more

How To : Rip DVD movies to AVI, MPEG1 or MPEG2 with DVDx

In this how to video, you will learn how to convert DVD movies to AVI or any other type of file for free. First, you will need to download DVDx 2.1 and the install it. Next, open the program and insert the DVD disc you want to copy. Go to file and click DVD root. Find the vide ...more

How To : Graph square root functions & inequalities

On Yay Math, Robert Ahdoot, founder of Yay Math, will show you some square root functions and some inequalities. He begins with the problem y=x². Then he makes a sketch with two intersecting lines in a t shape. The problem is illustrated by a curved U shape, the U's bottom res ...more

  • Hot
  • Latest