Solve-the-equation

How To : Solve a quadratic equation by quadratic formula

This video is describing how to solve quadratic equation by quadratic formula. The quadratic equation is given in the video and we will use quadratic formula. We will put the equation in the formula our equation is 4psquare= -23p - 15. Now add 23 to both sides and then add 15 ...more

How To : Add and subtract to solve equations

In this video the tutor shows how to add/subtract to solve equations. He says that when we are trying to solve simple equations we need to perform the same operation on both the sides of the equation i.e. if we are adding something on one side of the equation we need to add th ...more

How To : Solve the equation of a line with substitution

Need to know how to solve the equation of a line using substitution? 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 Inter ...more

How To : Solve rational equations in 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 study for that next big test). With this in ...more

How To : Solve differential equations in Algebra

Need help figuring out how to solve differential equations 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 Int ...more

How To : Find the area of a parallelogram using geometry

The video shows us how to find the area of parallelogram using geometry. Here in this video it is done by using an example where the parallelogram is given ABCD. The area of the parallelogram is base times height (bh). Here the base is given as 15 but the height is not known b ...more

How To : Solve for the missing ratios or proportions

In this video the tutor shows how to solve the missing ratios or proportions. He explains it with an example, where a number in one of the ratios is missing and he intends to find this value. He shows the example of cross multiplication, where you multiply the values on the ei ...more

How To : Find the x & y intercepts of rational functions

In this tutorial the instructor shows how to find the x and y intercepts of rational functions. Finding the intercepts of a rational function is similar to finding the intercepts of other normal equations. You can find the x intercept of the equation by setting the value of y ...more

How To : Isolate a variable

If you're struggling a bit with algebra, check out this video to learn how to isolate a variable. Isolating a variable is a matter of separating and simplifying. Step 1: Bring like terms together Bring like terms together. All equations have two sides. You want to perform t ...more

How To : Derive the equation of a straight line

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-coordinat ...more

How To : Graph linear equations using y=mx+b

This video is an instructional guide about Graph Linear Equations presented in algebraic form. It is an easy to follow, step by step guide to solving such equations using the graph intercept formula. The first example equation is Y = 2x -1 over y = mx + b. The video then shows ...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

How To : Use the TOA formula in trigonometry

The video is a tutorial in trigonometry. The teacher teaches that the tangent or the tan of an angle is the ratio of the opposite side to the adjacent side of a right angled triangle. If one side and one angle is given then the value of the unknown side can be found by solving ...more

How To : Solve a linear equation word problem in algebra

This math lesson is designed to provide middle school teachers with free resources for teaching linear equations. Students can use this free resource to better understand how to solve simple equations while preparing for the upcoming CRCT test. The above video demonstrates ho ...more

How To : Find if a point lies on a line in point slope form

In this tutorial, the author shows how to determine if a point lies on a given line which is in Point Slope Form. To show the method he takes a sample point order pair and an equation of a line in its point slope form. Now he substitutes the value of the x, y order pair and th ...more

How To : Solve two-step linear equations in algebra

This math lesson is designed to provide middle school teachers with free resources for teaching linear equations. Students can use this free resource to better understand how to solve simple equations while preparing for the upcoming CRCT test. The above video demonstrates ho ...more

How To : Simplify & solve multi-step equations in algebra

Looking for a primer on how to combine like terms and/or use the distributive property to solve algebraic equations? 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 b ...more

How To : Solve exponential and logarithmic equations

In this video tutorial the instructor shows how to solve exponential and logarithmic equations. Solving exponential equations can become very difficult if it involves large numbers. To solve these kinds of complex equations you need to get all the numbers to the same base numb ...more

How To : Solve multivariable linear equations

Looking for instructions on how to solve linear equations with multiple variables and constant terms? Look no further. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks t ...more

How To : Work out quadratic equations in algebra

Need to know how to solve quadratic equations? Grab a pen and paper and work along with the video! Remember, you can pause and rewind whenever you want. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belo ...more

How To : Solve systems of linear equations with matrices

See how to solve systems of linear equations in algebra using matrices with this free video math lesson. Solving linear equations is easy once you know the matrix method. Learn it with this how-to. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's be ...more

News : Inside Bitcoin - Part 2 - Cryptographic Hashes

If you haven't read the last article, feel free to stop by and give it a read, but abstaining from reading it will not, for the most part, be detrimental to your understanding. Today we are going to explore some of the inner workings of Bitcoin. As we previously learned in th ...more

How To : Pythagorean Theorem

What Is Pythagorean Theorem? Pythagorean Theorem is an equation discovered by a man named Pythagoras. It can be used to determine whether or not a triangle is a right triangle and find missing lengths of a triangle. The equation is: Parts of a Triangle The hypotenuse is the ...more

How To : Solve a system by the elimination method

In this video the instructor shows how to solve a system of equations by elimination method. First you need to know how many possible number of solutions you can get by solving a system of equations. There are three possibilities. In the first case there are two lines with dif ...more

How To : Solve simple algebraic equations

This is a great series of videos showing you how to solve simple algebraic equations. The first video demonstrates solving equations using addition or subtraction, the second deals with solving equations using multiplication or division, and the third shows how to solve multis ...more

How To : Solve word problems in Algebra

Having trouble with word problems in algebra? Watch this video to clear a few concepts as well as to learn how to systematically tackle word problems in exams. As explained in the video, the solution to any algebraic problem can be found by using the following 5 steps: 1) De ...more

How To : Solve rational inequalities using sine charts

When you are solving inequality for a rational function you don't do it the same way as you would solve an equality. Now the instructor shows how to solve an inequality with the help of an example. Now to solve an inequality which is in the form a/b first take the numerator an ...more

How To : Solve a basic rational equation

You don't have to be brainiac Sheldon Cooper from "The Big Bang Theory" to whip out some impressive ration equation-solving chops. Dazzle your math league or challenge Grandma to a fun rainy day game by watching this video on how to solve rational equations. You'll be run thr ...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 : Use curve sketching to solve equations in calculus

PatrickJMT takes you through step by step on the basics of how to use curve sketching to solve calculus equations. Steps that are covered in this two part video include domain, intercepts, symmetry, horizontal and vertical asymtotes, intervals of increase/decrease, local maxim ...more

How To : Factor and solve a quadratic equation in algebra

Looking for a guide on how to solve quadratic equations by factoring? 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 i ...more

How To : Solve simple radical equations in algebra

See how to unpack and solve radical equations in algebra with this free video math lesson from Internet pedagogical superstar Simon Khan. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodid ...more

How To : Factor quadratic equations in 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 ...more

How To : Solve Equations with Fractions

Solving Equations with Fractions Using Addition In our first example, our equation is b - 11/10 = -13/5 We need to find out what the variable, 'b', is. A variable is a symbol that stands for an unknown number. To do so, we have to isolate the variable, meaning that we have t ...more

How To : Multiple, reduce, add, and subtract fractions

Get an all-in-one brain teaser by watching this math tutorial on how to simplify an expression that requires multiplying, reducing, adding, and subtracting. Solving the equation will put your math skills to the test because you'l have to draw on the greater portion of your ar ...more

How To : Algebraically solve mixed quantities problems

In this video the instructor shows how to solve mixture problems using two variables. Usually in these kind of questions the problem statement goes like, if A costs $x for a pound and B costs $y for a pound, in what ratio should they be mixed such that one pound of the new mix ...more

How To : Work with logarithms in intermediate algebra

Learn how to evaluate simple log expressions and how to use the log operation to solve exponential equations in intermediate algebra with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds ...more

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