This tutorial explains how to find the circumference of a circle by using the radius or diameter of a circle.

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This tutorial explains the product property of square roots and shows how it can be applied to write radical expressions in a different form.

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This tutorial explains the set builder notation, and includes examples on how to graph these sets on a number line.

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This tutorial shows how to find the X intercept and Y intercept of a line. Once the X and Y intercepts of a line are found, they are used to sketch the line on the X Y coordinate system.

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This tutorial shows how to find a line, given a point and a slope by using the point slope formula. The line is then solved in slope intercept form and sketched.

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In this video I explain the fundamental concepts of cryptography. Encryption, decryption, plaintext, cipher text, and keys.

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This tutorial introduces the concept of a number line and uses it to represent natural numbers, whole numbers, and integers.

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This tutorial provides another example of solving a uniform motion problem.

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This tutorial uses basic math and logic to demonstrate that a negative times a negative equals a positive.

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This tutorial demonstrates how to solve logarithms by using the change of base formula in combination with a calculator.

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This tutorial shows how to take an equation of two variables and rewrite it as an equation of one variable in terms of another. This lesson is demonstrated by taking a linear expression and rewriting it in slope intercept form.

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In this video, I compare two different ways of dividing polynomials. First I show how to solve polynomial division via long division, then I show how to do a much quicker method known as synthetic division.

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This tutorial shows another example of how to evaluate variable expressions.

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This tutorial explains the simple concept of the empty set, otherwise known as the null set.

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This tutorial shows how to solve a basic mixture problem.

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This tutorial explains how to solve a single variable inequality.

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This tutorial shows an introductory example of a basic percentage equation.

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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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