Instructional Video15:15
Brian McLogan

Computing exponential growth word problem

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 Video3:10
Brian McLogan

Learn to find the partial sum of a geometric sequence

12th - Higher Ed
πŸ‘‰ 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 Video4:24
Brian McLogan

Learn to write the polynomial give two real zeros

12th - Higher Ed
πŸ‘‰ Learn how to write the equation of a polynomial when given rational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Instructional Video1:36
Brian McLogan

Expanding logarithmic expressions

12th - Higher Ed
πŸ‘‰ Learn how to expand logarithmic expressions involving radicals. A logarithmic expression is an expression having logarithms in it. To expand logarithmic expressions means to use the logarithm laws to expand (open up) logarithm...
Instructional Video1:05
Brian McLogan

Learn how to determine if a sequence is geometric or not

12th - Higher Ed
πŸ‘‰ Learn how to determine if a sequence is arithmetic, geometric, or neither. 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. There are many types of...
Instructional Video3:08
Brian McLogan

What is the formula for an ellipse with a major vertical axis

12th - Higher Ed
Learn all about ellipses for conic sections. We will discuss all the essential definitions such as center, foci, vertices, co-vertices, major axis and minor axis. We will also discuss the essential processes such as how to graph and...
Instructional Video2:45
Brian McLogan

How to find the first four terms of a sequence

12th - Higher Ed
πŸ‘‰ Learn how to find the first five terms of a sequence. Given an explicit formula for a sequence, we can find the nth term of the sequence by plugging the term number of the sequence for n in the given formula. When n = 1, 2, . . ., 5...
Instructional Video7:07
Brian McLogan

Given the major axis and foci find the standard equation of the ellipse

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 Video2:59
Brian McLogan

Learn how to write the standard form of a parabola given the focus and vertex

12th - Higher Ed
Learn how to write the equation of a parabola given the vertex and the focus. 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 Video3:54
Brian McLogan

Evaluating the six trigonometric functions for a given angle on the unit circle

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Instructional Video2:42
Brian McLogan

Verify an identity using the pythagorean identities

12th - Higher Ed
πŸ‘‰ Learn how to verify Pythagoras trigonometric identities. A Pythagoras trigonometric identity is a trigonometric identity of the form sin^2 (x) + cos^2 (x) or any of its derivations. To verify trigonometric expression means to verify...
Instructional Video0:44
Brian McLogan

How identify the limits of the parent graph of logarithm

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the limit of a transcendental function. 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. The limit of a function...
Instructional Video0:50
Brian McLogan

How to write the equation of a horizontal line in polar form

12th - Higher Ed
How to write the equation of a horizontal line in polar form
Instructional Video0:58
Brian McLogan

Given the magnitude and direction of a vector find it's components

12th - Higher Ed
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Instructional Video5:25
Brian McLogan

What are the properties of exponents

12th - Higher Ed
πŸ‘‰ Learn how to apply the rules of exponents to simplify an expression. We will focus on applying the product rule, quotient rule as well as power rule. We will then explore multiple properties such as power to product, power to quotient...
Instructional Video4:31
Curated Video

Apache Spark 3 for Data Engineering and Analytics with Python - Figuring out How to Remove Bad Records

Higher Ed
In the session, we will learn to produce query without the bad records.
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This clip is from the chapter "Introduction to Spark SQL and Databricks" of the series "Apache Spark 3 for Data Engineering and Analytics with...
Instructional Video0:48
Brian McLogan

How to write the equation of a line in polar form

12th - Higher Ed
How to write the equation of a line in polar form
Instructional Video0:59
Brian McLogan

How to write the equation of a circle in polar form to rectangular

12th - Higher Ed
How to write the equation of a circle in polar form to rectangular
Instructional Video1:31
Brian McLogan

Convert a rectangular point to polar form

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 Video4:36
Brian McLogan

Summary for solving a quadratic

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Instructional Video14:03
Brian McLogan

Solve a system with three variables

12th - Higher Ed
πŸ‘‰Learn how to solve a system of three linear systems. A system of equations is a set of equations which are to be solved simultaneously. A linear equation is an equation whose graph is a straight line. The solution to a system of...
Instructional Video2:34
Brian McLogan

Solve by factoring when a=1

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Instructional Video5:20
Brian McLogan

Use substitution to solve a system of equations with variables n and m

12th - Higher Ed
πŸ‘‰Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Instructional Video5:35
Brian McLogan

Graphing a quadratic using a table

12th - Higher Ed
πŸ‘‰ Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...