Curated Video
Completing the Square Using Algebra
In this video, you will learn how to complete the square using algebra. We go through the steps to determine the values of A, B, and C in a quadratic expression and how to use them to complete the square. Through these examples, you will...
Brian McLogan
Find the axis of symmetry and your vertex
👉 Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Let's Tute
Finding the Area of a Triangle Using Coordinates of Vertices
In this video, the teacher explains how to find the area of a triangle using the coordinates of its vertices. They break down the triangle into three trapeziums and provide a formula for finding the area. They also provide a helpful...
Brian McLogan
Simplifying an expression using the difference of two angles with sine
👉 Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...
Brian McLogan
Learn how to solve a quadratic equation using the quadratic formula
👉 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...
Healthcare Triage
Medicare and the Doc Fix: Healthcare Triage News
We've got a permanent doc fix. It's all about the sustainable growth rate. Confused? We'll help. This is Healthcare Triage News.
Brian McLogan
how to determine the surface area of a square pyramid
👉 Learn how to find the volume and the surface area of a pyramid. A pyramid is a 3-dimensional object having a polygon as its base and triangular surfaces converging at a single point called its apex. A pyramid derives its name from the...
Barcroft Media
I Built A Hyper Car In My Shed | Ridiculous Rides
A TALENTED mechanic has built Australia’s first 'hyper car' – in his shed. The Quantum GP700 was born out of the seven-year passion project of its creator, Jeff David. Aimed at producing breathtaking performance in a road legal car – the...
Brian McLogan
Simplifying a trigonometric expression using half angle formula
👉 Learn how to write the trigonometric function given the expression. We will focus on the expression for the half-angle of sine, cosine and tangent. When given the expression we will need to determine which function's identity is equal...
Let's Tute
The Physics of Centripetal Force and Circular Motion
In this video, the sport of Hammer throw is explained and how physics plays a crucial role in achieving a long-distance throw. The concept of centripetal force and how it affects circular motion is discussed with the help of an...
Brian McLogan
Write the rule of a geometric sequence given 2nd and 5th term
👉 Learn how to find the nth term of a geometric sequence. 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. A geometric sequence is a sequence in which...
Brian McLogan
Pre-Calculus - Using the sum formula for cosine to evaluate an angle cos(75)
👉 Learn how to evaluate the cosine of an angle in radians 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
Evaluating the sum and difference for Secant
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Brian McLogan
What is the formula for a perfect square trinomial and how does the discriminant fit in
👉 Learn all about the discriminant of quadratic equations. A quadratic equation is an equation whose highest power on its variable(s) is 2. The discriminant of a quadratic equation is a formula which is used to determine the type of...
Curated Video
Understanding Income Elasticity and Cross Elasticity of Demand
The video is an educational tutorial on the concepts of income elasticity of demand (YD) and cross elasticity of demand (XED). The presenter explains the calculations for each and how to classify goods based on their YD and XED values....
Brian McLogan
How to use the quadratic formula to solve a quadratic equation
👉 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
👉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...
Brian McLogan
Given the number of sides of a regular polygon find the measure of each interior angle
👉 Learn how to determine the measure of the interior angles of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior...
Curated Video
Python 3: Project-based Python, Algorithms, Data Structures - Merge sort visualization and complexity analysis
Understand, break down and implement a recursive fibonacci function This clip is from the chapter "Algorithms - Sort, performance, complexity and big O notation" of the series "Python 3: Project-based Python, Algorithms, Data...
Virtually Passed
velocity of center of wheel under pure role
If a disk/ wheel is rolling across a floor without slipping then the velocity of the centroid of the disk will have a velocity V_0 = Rw.
Brian McLogan
Learning how to solve an equation using the sum and difference formulas for sine
👉 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
What is a factorial
👉 Learn all about factorials. Factorials are the multiplication of a number in descending integer values back to one. Factorials are used often in sequences, series, permutations, and combinations. Factorial quotient expressions are...
Brian McLogan
Finding the formula of alternating signs of a sequence
👉 Learn how to write the rule of a sequence given a sequence of numbers. 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. To write the explicit formula of...
Brian McLogan
How to find the area of a triangle using heron's formula
Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....