This tutorial shows how to derive the distance formula by using the Pythagorean theorem.

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More examples of the basic percentage equation.

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This tutorial explains the meaning of Pi.

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This tutorial explains the different types of numbers commonly used in algebra. The number types discussed are counting, whole, integer, rational, irrational, and imaginary.

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This tutorial explains important terminology (words) used to describe variable expressions.

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This tutorial shows how a logarithm containing a product in its argument can be written as a sum of two logarithms, and how a logarithms of a quotient can be written as a subtraction of two logarithms.

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This tutorial explains how to solve expressions containing a combination of groupings, exponents, roots, multiplication, division, addition, and subtraction.

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This tutorial uses a number line to demonstrate how negative numbers are added and subtracted.

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This tutorial shows how to find the area of a circle, given a diameter or a radius of a circle.

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This tutorial provides 2 examples on evaluating variable expressions.

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In this tutorial, I solve a simple interest story problem.

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This tutorial explains what like terms are, and shows how they can be combined to simplify variable expressions.

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Here, I show an introductory way of finding the limit of a function.

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This tutorial shows how to convert from an unsigned binary number to a whole number.

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This tutorial explains the basic fundamental concepts about a slope.

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This tutorial gives a few examples of how to find the circumference of a circle, when given a diameter or a radius.

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This tutorial shows how to solve a variable inside of a logarithm.

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This tutorial provides a quick review on how to add and subtract fractions.

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Here, I explain and and give examples of the commutative and associative properties.

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Here, I explain a limit at infinity.

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