Brian McLogan
How to write the polynomial equation given imaginary zeros
π 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
π 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
π 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
π 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
π 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
π 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
π 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
π 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...
Brian McLogan
Subtracting a rational trigonometric expression from another
π Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Brian McLogan
Learn how to evaluate the half angle for sine in radians
π Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Brian McLogan
How to evaluate for the cosine of an angle using the sum formula
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
How to solve a trigonometric equation with secant
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Find the solutions to a trig equation between 0 and 2pi
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Overview adding polynomials
π Learn how to add polynomials. To add polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you have...
Curated Video
CSS Bootcamp: Master CSS (Including CSS Grid/Flexbox) - Naming Grid Items - Part 2
CSS Grid: Naming Grid Items - Part 2 This clip is from the chapter "CSS Grid" of the series "CSS Bootcamp: Master CSS (Including CSS Grid/Flexbox)".Learn about CSS Grid here
Brian McLogan
Learning to solve a quadratic by factoring a perfect square trinomial
πLearn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic equation is of the form y = x^2 +2cx + c^2, where c is a perfet square. There are couple of ways we can solve a...