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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.
Quadratic formula on a chalkboard.
May 28, 2010

Using the quadratic formula to solve equations may bring one, two, or no algebraic solutions. The quadratic formula is special to quadratic equations, which can have fractions, radicals, or neverendin ...

Mathematical equations and calculations written on a whiteboard.
May 28, 2010

Learn how to find derivatives in calculus with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belo ...

Math problem-solving steps with equations and inequalities written in colorful chalk on a blackboard.
May 28, 2010

See how to create a graph for a derivative in calculus. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. ...

Quadratic equation solution steps showing calculations with square roots.
May 28, 2010

See how to use the quadratic formula to solve quadratic equations with this free video algebra lesson. Solving quadratic equations is a cinch once you know the proper method to tackle them. From Raman ...

Math equations and a table being written on a whiteboard.
May 28, 2010

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. Fr ...

Solve the quadratic equation by factoring: x² + 6x + 8 = 0.
May 28, 2010

See how to solve quadratic equations in algebra through factoring with this free video math lesson. Factoring quadratic expressions is easy once you know the system. Learn it with this how-to. From Ra ...

Math problem showing the factoring of quadratics.
May 28, 2010

Sometimes there's no better way to factor a quadratic equation than by simple brute-force trial and error. Watch this free video algebra lesson to see how it's done. From Ramanujan to calculus co-crea ...

Equation on a chalkboard: 3m² + 4 = 52
May 28, 2010

In algebra, you can solve a quadratic equation by applying the square root rule. With a squared term and a constant, the special quadratic equation is easily solved. Could you use a little help figuri ...

An equation solving for distance with colorful boxes in the foreground.
May 28, 2010

Solving linear equations in algebra is done with multiplication, division, or reciprocals. Using reciprocals, or multiplicative inverse, as well as multiplying and dividing with certain formulas, you ...

Mathematical equation showing factoring of a polynomial on a chalkboard.
May 28, 2010

Learn how to use the FOIL method to distribute two binomial expressions in algebra. The FOIL method — which stands for first, outer, inner, and last — takes two binomials and multiplies them for a sin ...