Curated OER
What is the Pythagorean Theorem?
Need to find the length of a side of a right triangle? Just use the Pythagorean Theorem! Follow along as the tutor defines the Theorem, explains how it works, then uses it to determine the missing length of a right triangle.
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How Do You Find an Average?
How do you find an average of something? Watch this video and see how you can add up all your elements then divide by the number of elements you added up. So simple!
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How Do You Write a Rule for a Geometric Sequence?
Learners can review how to write a rule for the geometric sequence 2, 4, 8, 16. The tutor explains through direct instruction how they can use the rule to find the 6th, 9th, and 15th terms. This clip is best suited for individuals who...
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How Do You Find the Radius of a Circle if You Know the Circumference?
So you know the circumference of a circle but not the radius. This tutorial shows you two different formulas commonly associated with circles, determines which formula to use, then puts the formula to work. You'll have no problem...
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How Do You Factor a Trinomial?
The word FOIL stands for First, Outer, Inner, Last. Use a provided template to factor a binomial then use the FOIL method to check your answer. Factoring and multiplying binomials never looked so easy.
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How Do You Find the Degree of a Monomial?
Watch this tutorial and you'll be able to find the degree of a monomial. What is a degree? Don't worry, clear definitions and explanations will provide you with everything needed to solve expressions involving degrees.
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How Do You Express a Logarithm in Terms of Common Logarithms?
Logarithms can be a little tricky and if you'd like to use a calculator you'll need to use a formula to change the given logarithm into base ten. This tutorial defines the formula, uses it to change a logarithm to base ten, then how to...
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What's a Consistent Independent System of Equations?
Define a system of equations with only one solution? Sure! If you have a system of equations with only one solution you'll find that it results in an ordered pair (2,2). This means that those equations intersect at only one point.
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What is the Origin?
This tutorial defines the origin on the coordinate plane. Watch to find out what the origin is and how it can be used as a reference point to locate other points on a graph.
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What's the Grid Method of FOILing?
Have you ever heard of the FOIL method? Watch and learn how the FOIL method can be used to help you multiply binomials. It all starts with a tic-tac-toe box and two polynomials then ends with a correct answer.
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What's the Means-Extremes Property of Proportions?
Watch how easy solving proportions can be. Using the means-extremes property of proportions you'll be able to solve a variety of proportion problems. Example problems are worked to show you how this property looks in action. Hint:...
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How Do You Use a Scatter Plot to Find No Correlation?
How do you determine the correlation in a set of data? Plot the data, find the line of fit, then use that line to determine if the correlation is positive, negative, or no correlation. This tutorial demonstrates that when a line of fit...
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How Do You Write an Equation for a Vertical Line?
To find the equation of a vertical line you need to use x=b to determine the equation. This tutorial explains the use of formula x=b to find a value for an unknown y. The explanation of this concept is rushed making this tutorial only...
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Algebra: Introduction to Algebra
That old math tutor from is back and he is here to introduce the concept of algebra. This clip is actually quite clear and informative. Variables, constants, and algebra are defined along side solid examples. This clip would be good for...
Curated OER
Complex Numbers - Algebra Help
The foil method had been used for years as a way to remember how to simplify complex numbers. This process is demonstrated step-by-step, slowly so the learner will be able to follow along as the instructor solves the problem. Intended...