Curated Video
How to Reflect Linear Functions
In this video lesson we will learn how to reflect a linear function. We will also learn how to identify a reflection using a graph and how to represent a linear reflection using function notation. We will discover that a linear function...
Brian McLogan
The intro to the trig functions for points on the unit circle
π Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Brian McLogan
Learn how to write and graph a parallel line through a given point
π Learn how to write the equation of a line that is parallel to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms...
Curated Video
Multi-Paradigm Programming with Modern C++ - Specializing the Template
Our βequalβ function uses an epsilon to compare values. This works well with floating point types, but itβs inefficient for fixed point. We can try to specialize the function template, but how to do this in a generic way? β’ The problem...
Brian McLogan
How to solve a one step equation using the subtraction property of equality
π Learn how to solve a one step equation. An equation is a statement stating that two values are equal. A one step equation is an equation whose solution can be obtained by performing only one step of operation on the equation. To solve...
Brian McLogan
How to find the legs of a special right triangle when given the hypotenuse
π Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Curated Video
7+ IELTS Vocabulary for Delightfully Describing Buildings
Today get 7+ vocabulary to impress the IELTS examiner when you describe buildings. In order to score a 7 or higher for vocabulary, you have to show the examiner unique and interesting vocabulary. You have to set yourself apart from other...
Brian McLogan
Graphing a parabola with a horizontal and vertical translation
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Determine if the function is even or odd
π Learn how to determine if a function is even or odd. A function is even if the graph of the function is symmetrical about the y-axis, or a function is even if f(x) = f(-x). A function is odd if the graph of the function is symmetrical...
Brian McLogan
Given an expression determine the function and angle
π 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
Dividing Polynomials using synthetic division
π 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 variable, the solution for...
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Transforming Graphs - Advanced - 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
Reflections The Mathematical Flip
This video lesson is the second video in the playlist or unit of videos on transformations. The first video explained translations. This video explains reflections as the mathematical flip over the line of reflection. Real world examples...
Curated Video
Subtracting Rational Numbers
In this video lesson we will learn that we use the same rule for subtracting rational numbers as we did for subtracting integers. We will rewrite the subtraction problem to be an addition problem by adding the opposite value. Fondly...
Brian McLogan
Determine the area of a parallelogram when not given the height
π Learn all about Area and Perimeter. In this playlist, we will explore how to determine the area and perimeter of 2-dimensional figures. We will also look into combinations of figures. The focus will be on rectangles, squares,...
Tarver Academy
How to Solve in Terms of a Variable
In This Episode, Tyler Teaches Us About How to Solve in Terms of a Variable
Brian McLogan
Solving a one step equation with all fractions
π Learn how to solve one step linear equations. By one step we mean equations that take one step to solve. The one step is the inverse operation needed to isolate the variable such as addition, subtraction, division and multiplication...
Brian McLogan
How to determine the three trigonometric ratios for a triangle
π Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right...
Brian McLogan
What are coplanar points
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...
KnowMo
Changing the Subject of Formulas: A Guide to Isolating Variables
This video is a lecture on changing the subject of a formula. The instructor explains the importance of understanding the subject of a formula and how to isolate it from other variables in the equation. Various examples are provided to...
Brian McLogan
Evaluate six trig functions given an equation and creating a right triangle
π 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 Find the Missing Angle Using Inverse Sine Triangle
π Learn how to evaluate inverse trigonometric functions. When an angle is unknown but the value of one of the trigonometric functions of the angle is known, we can evaluate the value of the angle using the inverse trigonometric function...
Brian McLogan
Double angle of cosine using right triangle
π 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)...
Brian McLogan
Taking the root of a negative expression to an even power, root
π Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...