Brian McLogan
What is the quadratic formula
π Learn how to determine 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...
Brian McLogan
What do I need to know to solve rational equations
π Learn about solving rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational equations, one of...
Brian McLogan
Given Two Factors and a Polynomial Find the Remaining Zeros
π Learn how to find all the zeros of a polynomial given one rational 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...
KnowMo
Solving Simultaneous Equations: Elimination and Substitution Methods
The video explains how to solve simultaneous equations using different methods such as elimination and substitution. The video first explains the concept of simultaneous equations and the importance of getting matching coefficients. It...
Brian McLogan
How to solve a quadratic equation
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Brian McLogan
Solve by factoring when not in quadratic form
πLearn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
KnowMo
The Quadratic Formula: Solving Quadratic Equations
This video is a lecture presentation on the quadratic formula. The presenter explains the form of a quadratic equation and identifies the values of a, b, and c for a given example. The quadratic formula is then introduced and explained...
Brian McLogan
How to determine the domain and range of a quadratic using its vertex
π Learn the basics to understanding graphing quadratics. 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...
KnowMo
Factorizing Quadratics with Non-Unit Leading Coefficient
The video is a lecture presentation on how to factorize quadratic equations where the coefficient of X squared is not equal to 1. The speaker explains the step-by-step process of factoring out the common coefficient, putting it into...
Brian McLogan
Learning to apply the square root method to solve a quadratic equation
πLearn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Brian McLogan
Factoring out a GCF then factoring using various methods
πLearn how to solve a quadratic equation by factoring out the GCF. When factoring out the GCF from an equation we will be looking for what the terms have in common. This method is very useful for quadratic equations that does not have...
Brian McLogan
Learn How To Compose Two Quadratic Functions Back and Forth
Learn how to compose two functions where one or both of those functions is/are quadratic. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
KnowMo
Understanding Cubic Graphs and How to Plot Them
In this video, the lecturer explains the concept of cubic graphs and how to plot them on a coordinate plane. They start by defining what a cubic is and then go on to describe the shape of cubic graphs, which have a distinctive "curved"...
Curated Video
Stationary Points and Points of Inflection: Finding and Analyzing
This video is a presentation on stationary points and points of inflection. The presenter goes over how to find the stationary points and the nature of those points using the first and second derivative tests. They then move on to...
Curated Video
Introduction to Quadratic Functions and Graphs
In this video, the presenter provides an introduction to quadratic functions and graphs. They start by defining what a quadratic is and explaining the standard format of the quadratic equation. They also describe the two distinct shapes...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Quadratic Equation - 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
Overview of rational Zeros of a polynomial- Online Math Tutor
π Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Brian McLogan
How can we determine if a quadratic has a max or min value
π Learn the basics to understanding graphing quadratics. 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...
Brian McLogan
Solving by factoring and using the square root method
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...
FuseSchool
Solving Simultaneous Equations By Substitution
In this video we are going to discover how to solve simultaneous equations by substitution. Simultaneous equations are two or more equations with two or more unknowns that must be solved at the same time; hence the name simultaneous....
Brian McLogan
Factoring a trinomial using box method
πLearn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
KnowMo
Solving Quadratic Equations Using Factorization
This is a lecture on solving quadratic equations using factorization. The instructor explains the concept of factorization and how to put quadratic equations into double brackets. They also cover the importance of understanding what...
Brian McLogan
Composing Two Quadratic Functions
Learn how to compose two functions where one or both of those functions is/are quadratic. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...