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Math

Join our Math World now to meet up with other math students and mathematicians on the Web. Learn how to perform basic math functions, and share your own tips and tricks for solving problems and calculating answers for everything math related, from algebra to geometry to trigonometry to advanced calculus. - Ask questions in the [/forum/ Forum]. - Share some [/inspiration/ Inspiration]. - Post a [/how-to/ How-To] article. Looking for another interesting topic? Check out all of the other [http://www.wonderhowto.com/worlds/ Worlds] on WonderHowTo! [http://flic.kr/p/5w4B85 header credit]
Graph of the line represented by the equation y = (1/3)x - 3, with labeled axes and slope.
Apr 5, 2010

In this video tutorial, viewers learn how to graph a linear equation. The linear equations example used in this video is y= 1/3x-3. The equation to graph a linear equation is y= mx+b. Now substitute ...

Graphing linear equations using a table with three equations.
Apr 5, 2010

The author teaches us how to graph the linear equations with tables. Given a set of linear equations in terms of "x and y", first we have to draw a table having a column each for x and y. We have to e ...

A teacher explaining logarithms on a blackboard.
Apr 4, 2010

ProfessorElvisZap teaches you about the laws of logarithms. When x is positive, meaning 0<x. x times y equals y times x. This is the commutative property. x times (y times z) equals (x times y) times ...

Mathematical equations and formulas related to volume and direct variation on a whiteboard.
Apr 4, 2010

In this video the instructor shows how to find a formula describing direct variation between two variables. Variation between two variables can be either direct variation or indirect variation. If a v ...

How to measure angles with a protractor
Apr 4, 2010

Omar, Hayley, Gary, and Autumn teach us how to use a protractor. They give a bit of information from About.com on the history of protractors. They are used to measure angles. The first protractor was ...

A teacher explaining how to solve exponential and logarithmic equations on a whiteboard.
Apr 4, 2010

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 kin ...

Mathematical notes on the volume of a sphere with diagrams and equations.
Apr 3, 2010

Are you slightly rusty on your math skills? This video demonstrates how to find the volume of a sphere with a given radius. The first step is to sketch a solid and cross-sectional view of your sphere ...

Mathematical equations and expressions written on graph paper, with highlighted factors and annotations.
Apr 3, 2010

In this video, the instructor shows how to factor trinomials. An equation is a trinomial if it has three terms. If you factor a trinomial, you are left with two binomials which are the factors of the ...

Teacher explaining parallel lines and transversal concepts with a diagram on a whiteboard.
Apr 3, 2010

This video explains the properties of parallel lines and transversals in geometry. The instructor, Robert Ahdoot, uses an analogy in which he compares lines and transversals to the streets of Manhatta ...

How to graph a line with steps for using a table of values, slope-intercept, and intercept methods.
Apr 2, 2010

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 usefu ...