Instructional Video9:21
Why U

Pre-Algebra 30 - Rational Exponents

12th - Higher Ed
Exponents can not only be integers and unit fractions. An exponent can be any rational number expressed as the quotient of two integers.
Instructional Video7:54
Virtually Passed

Overdamped motion formula proof (2/2)

Higher Ed
A spring mass damper equation when the damping ratio greater than 1
Instructional Video1:29
Brian McLogan

How to find the legs of a special right triangle when given the hypotenuse

12th - Higher Ed
πŸ‘‰ Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Instructional Video7:55
Curated Video

Rationalizing the Denominator: Techniques and Examples

Higher Ed
This video is a tutorial on how to rationalize the denominator of fractions containing square roots. The host explains the concept of irrational numbers and how it can be difficult to calculate with fractions that have irrational...
Instructional Video0:44
Brian McLogan

How to solve a logarithmic expression by converting to exponential

12th - Higher Ed
πŸ‘‰ Learn how to solve logarithmic equations. Logarithmic equations are equations with logarithms in them. To solve a logarithmic equation, we first isolate the logarithm part of the equation. After we have isolated the logarithm part of...
Instructional Video4:57
Brian McLogan

Solving an equation with sine on both sides

12th - Higher Ed
πŸ‘‰ Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video2:05
Brian McLogan

Learn how to evaluate the angle in radians for cosine

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video3:36
Brian McLogan

Learn how to solve a trigonometric equation with cosine

12th - Higher Ed
πŸ‘‰ Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video4:13
Brian McLogan

Please explain the product rule of radicals, root

12th - Higher Ed
πŸ‘‰ Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...
Instructional Video4:34
Brian McLogan

Learn how to use prime factorization to simplify square root of a variable with 14th power

12th - Higher Ed
πŸ‘‰ Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Instructional Video4:45
Brian McLogan

Learn how to multiply 2 radical expressions two different ways

12th - Higher Ed
πŸ‘‰ Learn how to multiply radical expressions. A radical is an expression having the root/radical symbol. The number outside the radical symbol (nth root) is called the index, the number/expression inside the radical symbol is called the...
Instructional Video1:55
Brian McLogan

Subtracting a radical expression

12th - Higher Ed
πŸ‘‰ Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Instructional Video1:38
Brian McLogan

Simplifying using the power of product rule

12th - Higher Ed
πŸ‘‰ Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Instructional Video1:44
Brian McLogan

Learn how to simplifying a radical expression by rationalizing denominator

12th - Higher Ed
πŸ‘‰ Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first express the rational expression as the square root of the numerator divided by the square root of the denominator....
Instructional Video1:31
Brian McLogan

Learn how to simplify the square root of an expression

12th - Higher Ed
πŸ‘‰ Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Instructional Video2:02
Brian McLogan

Learn How to Simplify a Radical Expression with Multiplication

12th - Higher Ed
πŸ‘‰ Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Instructional Video1:54
Brian McLogan

Learn how to add two radical expressions together

12th - Higher Ed
πŸ‘‰ Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Instructional Video0:49
Brian McLogan

How to Multiply the Square Root of Two Numbers

12th - Higher Ed
πŸ‘‰ Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Instructional Video1:26
Brian McLogan

How to find the product of two functions

12th - Higher Ed
πŸ‘‰ Learn how to multiply two functions. We will explore the multiplication of linear, quadratic, rational, and radical functions. To multiply two functions, we simply algebraically multiply the rules (contents) of the two functions. We...
Instructional Video2:44
Brian McLogan

Breaking down the square root of forty, sqrt(40)

12th - Higher Ed
πŸ‘‰ Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...
Instructional Video2:04
Brian McLogan

How to find the x intercepts (solutions) of a quadratic in vertex form

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Instructional Video55:32
Brian McLogan

Pre-Calculus Lesson: LAW OF COSINES | Applications of Trigonometry

12th - Higher Ed
In this lesson I will show you how to apply the law of cosines to find the missing measures of a triangle when given SSS and SAS. We will also take a look at Heron's formula and word problems with bearings.
Instructional Video3:56
Brian McLogan

Tutorial - How do we divide complex numbers, 8/i

12th - Higher Ed
In this video series I will show you how divide complex numbers. We do this by eliminating the imaginary number on the denominator by producing equivalent fractions. We do this by multiplying i if we have an imaginary number on the...
Instructional Video2:07
Brian McLogan

What is a geometric mean

12th - Higher Ed
Learn about the geometric mean of numbers. The geometric mean of n numbers is the nth root of the product of the numbers. To find the geometric mean of n numbers, we first multiply the numbers and then take the nth root of the product.