Instructional Video6:15
Catalyst University

Show The Factor by Which Electricity is Stronger than Gravity

Higher Ed
Show The Factor by Which Electricity is Stronger than Gravity
Instructional Video2:33
Brian McLogan

Solving an exponential equation by taking log of both sides

12th - Higher Ed
πŸ‘‰ Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Instructional Video3:01
Brian McLogan

Using the properties of Natural logs to solve an exponential equations

12th - Higher Ed
πŸ‘‰ Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Instructional Video4:26
Brian McLogan

How to find the angle between two vectors written as a linear combination

12th - Higher Ed
Learn how to determine the angle between two vectors. To determine the angle between two vectors you will need to know how to find the magnitude, dot product and inverse cosine. Then, the angle between two vectors is given by the inverse...
Instructional Video4:38
Brian McLogan

Midpoint riemann sum approximation

12th - Higher Ed
πŸ‘‰ Learn how to approximate the integral of a function using the Reimann sum approximation. Reimann sum is an approximation of the area under a curve or between two curves by dividing it into multiple simple shapes like rectangles and...
Instructional Video4:33
Brian McLogan

Solving a logarithmic equation using the quadratic formula

12th - Higher Ed
πŸ‘‰ Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Instructional Video7:35
Brian McLogan

Solving a natural logarithmic equation using quadratic formula with e

12th - Higher Ed
πŸ‘‰ Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Instructional Video1:54
Brian McLogan

How to use pram to approximate the integral of a data set

12th - Higher Ed
πŸ‘‰ Learn how to approximate the integral of a function using the Reimann sum approximation. Reimann sum is an approximation of the area under a curve or between two curves by dividing it into multiple simple shapes like rectangles and...
Instructional Video3:04
Brian McLogan

Find the area of a parallelogram using special right triangles

12th - Higher Ed
πŸ‘‰ Learn all about Area and Perimeter. In this playlist, we will explore how to determine the area and perimeter of 2-dimensional figures. We will also look into combinations of figures. The focus will be on rectangles, squares,...
Instructional Video4:56
Brian McLogan

Algebra 2 - Why do we rationalize the denominator with complex numbers, (6 + 8i)/9i

12th - Higher Ed
In this video tutorial I show you how to divide complex numbers. Since complex numbers have an imaginary part which we cannot divide into other numbers we rewrite the expression by multiplying by i or the conjugate on the denominator or...
Instructional Video4:54
Brian McLogan

Conics how to write the equation of an ellipse given a vertex and focus

12th - Higher Ed
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Instructional Video1:44
Brian McLogan

How to use a 45 45 90 special right triangle to determine the sides of a triangle

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 Video2:22
Brian McLogan

How to solve a logarithmic equation using the quotient property

12th - Higher Ed
πŸ‘‰ Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Instructional Video4:16
Brian McLogan

Algebra 2 - Why do we use complex numbers for square roots

12th - Higher Ed
In this video playlist I will explain where imaginary and complex numbers come from and how we can use them to help us solve problems. We will also explore the complex property of equality to solve for values of complex numbers.
Instructional Video3:58
Catalyst University

Geometry | The Super-Pythagorean Theorem [Diagonal of a Prism]

Higher Ed
In this video, we calculate the length of the diagonal in a rectangular prism using the Super-Pythagorean Theorem [with example].<br/>
Instructional Video3:58
Brian McLogan

Solving exponential growth model problems

12th - Higher Ed
Learn about compound interest. We will look at how to determine the final value, initial value, interest rate and years needed. We will investigate problems compounded continuously, daily, weekly, monthly, quarterly and yearly. These...
Instructional Video3:01
Brian McLogan

How to find the missing side of a triangle using cosine

12th - Higher Ed
πŸ‘‰ Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...
Instructional Video1:58
Brian McLogan

Solving a natural logarithmic equation with a root log⁑

12th - Higher Ed
πŸ‘‰ Learn how to solve natural logarithmic equations. Logarithmic equations are equations with logarithms in them. To solve a natural logarithmic equation, we first isolate the logarithm part of the equation. After we have isolated the...
Instructional Video2:57
Brian McLogan

Factoring out a GCF then solving using the square root method

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 Video6:37
Brian McLogan

Master Evaluating Logarithmic Expressions using the Change of Base Formula

12th - Higher Ed
Welcome, ladies and gentlemen. So what I'd like to do is show you how to use the change of base formula to evaluate for a logarithm. Now, while many calculators allow you to kind of choose whatever base you...
Instructional Video4:47
Brian McLogan

Graphing logarithmic equations

12th - Higher Ed
πŸ‘‰ Learn all about graphing natural logarithmic functions. A logarithmic function is a function with logarithms in them. A natural logarithmic function (ln function) is a logarithmic function to the base of e. The graph of the parent...
Instructional Video4:18
Curated Video

Finding the Area of a Circle Using Circumference

K - 5th
In this video, the teacher explains how to find the area of a circle using the circumference. They review the formulas for the area and circumference of a circle and highlight a common mistake in calculating the radius.
Instructional Video2:56
Brian McLogan

Learn how to take log of both sides to solve an exponential equation

12th - Higher Ed
πŸ‘‰ Learn about solving exponential equations. Exponential equations are equations involving exponents. To solve an exponential equation, we express the terms in both sides of the equality sign as single terms. Then, we express the single...
Instructional Video6:30
Brian McLogan

Master How to determine the area of a triangle using Heron's formula

12th - Higher Ed
Master How to determine the area of a triangle using Heron's formula