Brian McLogan
Evaluate an expression with two variables ex1, (3x - y)^2; x = 4; y = 1
👉 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
Dividing two numbers in scientific notation
👉 Learn how to divide numbers written in scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first...
KnowMo
Solving Quadratics by Completing the Square
This is a lecture presentation on solving quadratic equations by completing the square. The presenter explains the process of completing the square, provides examples, and walks through the steps to solve for X.
KnowMo
Difference of Two Squares
This is a lecture presentation on the topic of the difference of two squares. The presenter explains the concept of the difference of two squares where the quadratic formula has two values that are the same in each bracket except for one...
KnowMo
Applying Negative Indices: Understanding and Using the Rule
This video is a lecture about negative indices in math. The instructor explains a specific rule for dealing with negative powers, using algebra manipulation to illustrate where the rule comes from. The technique involves finding the...
Curated Video
Multiplying or Dividing an Inequality by a Negative Value
The video discusses the effect of multiplying or dividing an inequality by a negative value. The presenter uses a number line to explain how values become negative and positive as we move left and right, and how this affects inequality....
Curated Video
Completing the Square Method for Finding the Center and Radius of a Circle
The video demonstrates two methods for finding the center and radius of a circle given its equation. The first method involves using a comparative approach by comparing the given equation to the general equation for a circle and then...
Curated Video
Power BI Masterclass - Learning DAX: How to Evaluate the Lost Customers
In this video, we will learn how to evaluate the lost customers. This clip is from the chapter "Python Finance and Advanced DAX" of the series "Power BI Masterclass".In this section, we will be covering Python Finance and Advanced DAX....
Curated Video
Bash Shell Scripting - declare Statement
This video focusses on declare statement. This clip is from the chapter "Understanding Variables" of the series "Mastering Bash Shell Scripting: Automate your daily tasks [Updated for 2021]".This video focuses on variables.
Brian McLogan
Solve equation using the sum and difference formulas
👉 Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Brian McLogan
Given an equation evaluate for the six trig functions using a right triangle
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Brian McLogan
How to write the equation of a hyperbola given the asymptotes and vertical transverse axis
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...
Curated Video
Complete Git Guide: Understand and Master Git and GitHub - Git diff Command
This video explains the Git diff command. This clip is from the chapter "Cloning, Exploring, and Modifying Public Repositories" of the series "Complete Git Guide: Understand and Master Git and GitHub".This section explains unpacking Git...
Brian McLogan
Using sum of two angles to evaluate an angle in radians for tangent, tan
👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Using difference of two angles with tangent to evaluate
👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Pre-Calculus - Using the Double Angle Formula to Evaluate for Cosine of an Angle and Triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...