Instructional Video4:43
Brian McLogan

Find the complex roots of an equation using the quadratic formula

12th - Higher Ed
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Instructional Video1:47
Brian McLogan

Graphing a horizontal line by using a table of values

12th - Higher Ed
👉 Learn how to graph linear equations with one variable. When given a linear equation with one variable in the form x = a or y = c, the two forms of linear equations results in a vertical and horizontal lines respectively. The graph of...
Instructional Video4:41
Brian McLogan

When given a geometric sequence,determine the 8th term by using the explicit formula

12th - Higher Ed
👉 Learn how to find the nth term of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which...
Instructional Video4:33
Brian McLogan

Solving a logarithmic equation using the quadratic formula

12th - Higher Ed
👉 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 Video3:58
Brian McLogan

How to use the properties of logs to condense an expression

12th - Higher Ed
👉 Learn how to condense logarithmic expressions using the power rule. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions...
Instructional Video2:24
Brian McLogan

Learning to write the domain of a rational function with an asymptotes and hole

12th - Higher Ed
👉 Learn how to find the domain of rational functions. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero. Thus, to find the domain...
Instructional Video4:50
Brian McLogan

How to write a parabola in standard form given two points

12th - Higher Ed
Learn how to write the equation of a parabola given a point on the parabola. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared). Recall...
Instructional Video6:17
Brian McLogan

Graph an ellipse with the center not at the origin

12th - Higher Ed
Learn how to graph horizontal ellipse not centered at the origin. A horizontal ellipse is an ellipse which major axis is horizontal. To graph a horizontal ellipse, we first identify some of the properties of the ellipse including the...
Instructional Video2:47
Brian McLogan

What is the definition of a circle

12th - Higher Ed
Learn all about the definition and formula that makes up a circle. Understanding the basics of circles will help us graph and write the equation of circles to solve future problems in conic sections. A circle has a center (h,k) and...
Instructional Video4:17
Brian McLogan

Rectangular to polar point conversion

12th - Higher Ed
Learn how to convert points between rectangular and polar. Rectangular points measure the horizontal and vertical distance away from the origin whereas polar coordinates measure the direct distance and angle in standard position from the...
Instructional Video0:45
Brian McLogan

Evaluate the limit with sine

12th - Higher Ed
👉 Learn how to evaluate the limit of a function involving trigonometric expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time....
Instructional Video2:09
Brian McLogan

Learn how to take the derivative using implicit differentiation by taking the ln of both

12th - Higher Ed
👉 Learn how to find the derivative of an implicit function. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative of a...
Instructional Video1:17
Brian McLogan

How to quickly rotate a point 180 degrees

12th - Higher Ed
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Instructional Video3:29
Brian McLogan

How does the discriminant relate to the quadratic formula

12th - Higher Ed
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Instructional Video6:51
Brian McLogan

What are the properties that make up a rhombus

12th - Higher Ed
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of...
Instructional Video3:52
Brian McLogan

Solving a quadratic by applying the quadratic formula

12th - Higher Ed
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Instructional Video4:35
PBS

How Cars Can Keep You Poor

12th - Higher Ed
How Cars Can Keep You Poor
Instructional Video15:23
Curated Video

AWS Certified Cloud Practitioner (CLF-C01)- How AWS Pricing Works – Part 3

Higher Ed
In this video, we'll learn how AWS pricing works – part 3.
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This clip is from the chapter "Billing and Pricing" of the series "AWS Certified Cloud Practitioner (CLF-C01) [Updated for 2021]".Learn about AWS pricing and how it...
Instructional Video1:47
Brian McLogan

Multiplication of Complex Numbers

12th - Higher Ed
In this video series I show you how to multiply complex numbers. Multiplication of complex numbers is similar to multiplication of polynomials as we need to only multiply coefficients by coefficients and our imaginary terms together. We...
Instructional Video3:40
Brian McLogan

How to determine the sum of a infinite geometric series

12th - Higher Ed
👉 Learn how to find the geometric sum of a series. A series is the sum of the terms of a sequence. A geometric series is the sum of the terms of a geometric sequence. The formula for the sum of n terms of a geometric sequence is given by...
Instructional Video3:04
Brian McLogan

How do we combine complex numbers

12th - Higher Ed
In this video series I will show you how to combine complex number by either subtracting or adding them together. Complex numbers have real and imaginary components. When combining complex numbers we can only add the real to the imaginary.
Instructional Video5:57
Brian McLogan

Solve a logarithmic equation with quadratic formula

12th - Higher Ed
👉 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 Video4:40
Brian McLogan

Write the equation of a parabola given the directrix

12th - Higher Ed
Learn how to write the equation of a parabola given the focus and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Instructional Video4:31
Brian McLogan

Find the value c that fills in the hole to make the function continuous

12th - Higher Ed
👉 Learn how to find the value that makes a function continuous. When given a piecewise function which has a hole at some point or at some interval, we fill the hole at the point or over the interval by looking for the value of the...