The Wall Street Journal
Pro Perspective: Hindsight in 2020 - Lessons Learned in Cybersecurity
Stanford University's CISO Michael Duff takes a look at the lessons learn in cybersecurity so far this year.
Brian McLogan
Product rule with cosine and a monomial derivative
π Learn how to find the derivative of a function using the product rule. 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...
Brian McLogan
How to use the quadratic formula to solve a quadratic equation
π 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...
Brian McLogan
How do we solve quadratic equations
πLearn 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...
Curated Video
Understanding Dilation and Parallel Lines on a Cartesian Coordinate Plane
In this video, the teacher explains the concept of dilation and how it affects the placement of line segments. They discuss the use of a Cartesian coordinate plane and how to calculate the scale factor. The teacher also demonstrates the...
Curated Video
Writing Exponential Equations from Data Tables
Learn how to write exponential equations by finding patterns in a table. They discuss the different components of an exponential equation, such as the common ratio and the constant change in x. The teacher provides examples and walks...
Brian McLogan
How to apply the remainder theorem by evaluating and synthetic division
π Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Brian McLogan
Learn how to graph an ellipse by re writing the equation from completing the square
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Why U
Pre-Algebra 23 - Scientific Notation
Scientific notation allows us to more easily express very large or very small numbers encountered in engineering and science. Using exponents, we can convert standard decimal numbers into scientific notation and vice versa.
Brian McLogan
Solve a quadratic equation using the quadratic formula when their are imaginary solutions
π 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...
Curated Video
Predictive Analytics with TensorFlow 8.3: Tuning CNN Hyperparameters
In this video, we will tune the CNN hyperparameters. β’ Tune the CNN hyperparameters
Curated Video
Identifying Holes in Graphs: Investigating Functions
In this lesson, students learn how to identify holes in a graph by investigating functions. They explore examples where the denominator of a function cannot equal zero, resulting in either an asymptote or a hole in the graph.
Brian McLogan
Evaluate the left hand limit
π Learn how to evaluate the limit of a function involving rational 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. The...
Brian McLogan
Given a list of zeros, learn how to write the equation of a polynomial
π 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...
Brian McLogan
Domain of rational function by graphing
π Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Brian McLogan
Determine the vertices, foci and center by converting an ellipse to standard form
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Brian McLogan
Completing the square to identify the vertex, focus and directrix of a parabola in conic
Learn how to graph a parabola in when it is given in general form. To graph a parabola in conic sections we will need to convert the equation from general form to standard form by completing the square. Once it is in standard form we can...
Curated Video
Introduction to Differentiation of Small Positive Integer Powers of X
The video discusses the differentiation of small positive integer powers of X using the first principles method. The presenter explains how to find the gradient of curves for functions such as X^2, X^3, X^5, and 3X^2 by taking the limit...
Brian McLogan
How to determine the foci vertices and center of an ellipse in general form
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Brian McLogan
How to use implicit differentiation with trig
π 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...
Brian McLogan
Given a Irrational Factor | Find All the Zeros of the Polynomials
π Learn how to find all the zeros of a polynomial given one irrational zero. 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 zeros of a...
Curated Video
Benefits and Costs of Inflation: Competitiveness, Fiscal Drag, Income Redistribution, and Government Finance
In this video, the presenter covers topics such as the impact of inflation on competitiveness in trading, the concept of fiscal drag in taxes, and the redistribution of income based on inflation's differential impact on borrowers and...
Brian McLogan
Learn how to use the formula for vertex and axis of symmetry to graph a parabola
π 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...
Guinness World Records
Orbax and Pepper react to the loudest burp
Orbax and Pepper react to the video of Paul Hunn performing his loud burps, giving some scientific analysis of the process of burping. Can be used in conjunction with the original Loudest burp video.