Algebra

The unit circle showing the tangent of an angle as the length of the tangent line in the circle.
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What is the Unit Circle and Why is it Important?
What is the Unit Circle and Why is it Important? 600 317 Jeff
We explore how to use the unit circle to understand some properties of trigonometric ratios and why this circle is so important in math. read more
  • joshua
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Factoring Expressions Using a Common Factor
Factoring Expressions Using a Common Factor 1416 672 joshua
Learn how to factor algebraic expressions by dividing by a common factor. See how this can be a powerful tool in simplifying expressions. Examples included. read more
The relationship between 1 radian and the radius of a circle
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What are Radians and Why we Use them
What are Radians and Why we Use them 794 717 Jeff
A radian is the natural unit of angles, but why do we use them instead of degrees. In this post we discuss the relationship between angles, radians and degrees. read more
  • joshua
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Expanding Algebraic Expressions
Expanding Algebraic Expressions 373 174 joshua
Expanding is a powerful tool that allows for the manipulation and simplification of algebraic expressions. Here we will introduce the distribution and foiling expansion methods and show some examples. read more
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Slope and the slope formula for lines
Slope and the slope formula for lines 800 800 Jeff
The slope is an essential tool that we use every day. From calculating prices in the supermarket, to cooking we are constantly using it. In this post, we explain the concept of slope and we show some examples of how to calculate it. read more
  • joshua
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Proving and Using the Pythagorean Theorem
Proving and Using the Pythagorean Theorem 589 281 joshua
Here we will look at one of the most important equations in geometry: the Pythagorean Theorem. We will begin by defining the Pythagorean Theorem and then we will demonstrate a short proof. Finally, we will look at two examples of how we might use the the Pythagorean Theorem in a real-world context. read more
Quadratic Equation
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Solving Quadratic Equations
Solving Quadratic Equations 485 254 Jeff
The quadratic equation is one of the most important topics in math, but sometimes it could look a bit complicated. We explore some of the simplest methods to solve quadratic equations and offer some examples of each. read more
  • joshua
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Finding Asymptotes and Holes of Rational Functions
Finding Asymptotes and Holes of Rational Functions 640 480 joshua
Here we will be looking at some defining features of rational functions: asymptotes and holes. We will begin by defining rational functions,. We will then proceed to uncover how to identify different types of asymptotes and how to distinguish them from holes. In each case, we will use example functions to visualize the effects and representations of these features. read more
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Tips for Factoring Polynomials
Tips for Factoring Polynomials 970 1024 Teaching Staff

Polynomial Factoring:   As in many fields, the manner in which we approach a problem In mathematics can greatly affect how we go about solving it. By finding the factors…

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Adding and Subtracting Fractions
Adding and Subtracting Fractions 2000 1520 Teaching Staff

Fractions are a very important part of math, and the first step to becoming comfortable with fractions is learning how to add and subtract them. Learning how to use fractions…

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