Brian McLogan
Modeling exponential functions for the decrease of a population
In this video series you will learn the basics of logarithmic and exponential functions. We will start off by converting between exponential and logarithmic expressions. We do this so that we can understand what a logarithm represents....
Curated Video
Advanced Concepts in Production Possibility Diagrams
This video lecture explains advanced concepts related to production possibility diagrams. It starts by providing a recap of what these diagrams are and the three sections they include. The speaker then introduces the concept of...
Why U
Pre-Algebra 33 - Real Numbers
There are an infinite number of rational numbers, but there are infinitely more irrational numbers. Neither type of number can represent every type of numeric quantity. By combining the rational and irrational numbers into the real...
Brian McLogan
Finding the value of x using supplementary angles - Free Math Videos
π Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Brian McLogan
Find three different representations of a polar point
Find three different representations of a polar point
Brian McLogan
How to graph a linear inequality by rewriting the inequality in slope intercept form
π Learn how to graph linear inequalities written in standard form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also broken...
Brian McLogan
Algebraic phrases to expressions using more than, 32 more than a number
π Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...
Curated Video
Recognizing Equivalent Fractions Using Fraction Strips
In this video, the teacher explains how fractions can be equivalent to whole numbers using fraction strips. The teacher demonstrates with examples, showing how fractions like 1/4 and 2/8 can represent the same amount of space. The lesson...
Curated Video
Representing Fractions as Unit Fractions Using an Area Model
In this lesson, students learn how to represent fractions as a sum of unit fractions using an area model. They are taught that the denominator of a fraction represents the total number of parts in the whole, while the numerator...
Let's Tute
Representation of Irrational Numbers on Number Line
This video explains how to represent irrational numbers on the number line using the spiral method with Pythagoras theorem. It provides step-by-step instructions and examples, including how to represent root 5 and root 6 on the number...
Brian McLogan
Algebra 2 - Dividing complex numbers by multiplying by i, (8-6i) / 3i
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...
Curated Video
Factoring with the Distributive Property Using Area Models
In this video, students learn about factoring expressions using the distributive property and area models. The video explains how to break down an expression into common factors and create equivalent expressions.
Python Programmer
EDA Python - 06-3variable_name_rules
There are rules when it comes to naming python variables. We cover those in this video.
Brian McLogan
Learn how to write the equation of a circle given a point and the center
Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance) from a fixed point. The fixed point is called the center of the circle while the distance between any point of...
Curated Video
Data Science and Machine Learning with R - Vectors: Coercion
This video explains coercion. This clip is from the chapter "Data Types and Structures in R" of the series "Data Science and Machine Learning with R from A-Z Course [Updated for 2021]".This video explains data types and structures in R.
Brian McLogan
Graphing a sideways parabola using the focus and directrix
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Brian McLogan
ACT SAT Prep How do the graphs of two trigonometric graphs compare
ACT SAT Prep How do the graphs of two trigonometric graphs compare
Brian McLogan
Learn how to graph a linear inequality
π Learn how to graph linear inequalities written in slope-intercept form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also...
Brian McLogan
Learn how to determine the slope between two points with fractions
π Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
Curated Video
Lady of Elche: The Mysterious Iberian Statue Reconstructed in the Past & Present, with History.
I'm an artist that brings history back to life by creating famous figures from the past in the modern day. I think the modern-day creation brings them closer to us, reminding us that they were just people too. Todayβs subject is the...
Brian McLogan
Finding the value of x for interior angle of a polygon - parallelogram
π Learn how to solve for an unknown variable in the interior angle of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The...
Curated Video
Understanding Variables and Relationships in Tables
This video explains how to read a table to understand the variables and their relationship. It teaches the viewer to identify the independent and dependent variables by looking at the table columns. It also demonstrates how to determine...
Brian McLogan
what is a line
π Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A...