Brian McLogan
Factoring a quadratic using the berry method
👉Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Brian McLogan
Learn to solve a system by substitution
👉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...
Brian McLogan
Learn how to write the equation of a best fit line using two points
👉 Learn how to write the equation of a line given points, slopes and intercepts. We will work on writing the equation of a line in slope intercept form and standard form as well as writing the equation of a line parallela and...
The Business Professor
Cost-Volume-Profit Analysis - Operating Income
The Cost Volume Profit Analysis yields the number of units needed for an operation to break even. At break even, the operating income is zero.
Curated Video
Statistics for Data Science and Business Analysis - The Correlation Coefficient
This video explains correlation coefficient - the quantitative representation of correlation between variables. This clip is from the chapter "Descriptive Statistics Fundamentals" of the series "Statistics for Data Science and Business...
Brian McLogan
Master How to solve a quadratic equation by completing the square
So what I'd like to do is show you how to solve a quadratic equation and by completing the square. Now, typically, completing the square, we look into factoring. And if it's not factorable, we can use the quadratic formula. Now, a...
Brian McLogan
What do you need to know to apply synthetic division
👉 Learn about dividing by synthetic division. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for the unknown, the solution for...
Brian McLogan
Dividing complex numbers by multiplying by the conjugate
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...
Brian McLogan
How to write the polynomial equation given imaginary zeros
👉 Learn how to write the equation of a polynomial when given imaginary 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Algebra and Ratio - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Vectors - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Graphs / Functions - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Evaluating mathematical expressions
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Evaluate a linear expression for two variables
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Combining like terms of an expression ex1, 2n + 1 - 4p - 3n
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Combining like terms - Linear terms - Basic math help
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Find the distance between the two coordinate points ex 1
👉 Learn how to find the distance between two points. The distance between two points is the length of the line joining the two points in the coordinate plane. To find the distance between two points in the coordinate plane, we make use...
KnowMo
Standard Form with Negative Powers
This video provides an introduction to standard form with negative powers, which is a way to express extremely small numbers in a simplified format using scientific notation with a negative exponent. The presenter explains the structure...
Curated Video
Graphs and Reciprocal Functions
This video is a presentation on graphs and their reciprocal values. The presenter begins by defining the reciprocal as one over a number and then works out values to demonstrate how the reciprocal changes as the value of X changes. The...
Curated Video
Python 3: Project-based Python, Algorithms, Data Structures - BST from scratch - Delete demo
Build the binary search function using iteratively This clip is from the chapter "Algorithms - Search and abstract data structures" of the series "Python 3: Project-based Python, Algorithms, Data Structures".null
Brian McLogan
How to find the hypotenuse of a triangle using Pythagorean Theorem
How to find the hypotenuse of a triangle using Pythagorean Theorem
Brian McLogan
Graphing the Cosine Function with a Reflection
👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...
Brian McLogan
Find the reference angle of an angle in radians in the third quadrant
👉 Learn how to find the reference angle of a given angle. The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. To find the reference angle, we determine the quadrant on which the given angle lies...