Brian McLogan
Using half angles to solve trigonometric equations
π Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions. To find the values we will use the...
Why U
Algebra 40 - Solving Inconsistent or Dependent Systems
When solving a system of linear equations in x and y with a single solution, we get a unique pair of values for x and y. But what happens when we try to solve a system with no solutions or an infinite number of solutions?
Brian McLogan
Master Solving a quadratic equation by factoring a trinomial when a=1
Master Solving a quadratic equation by factoring a trinomial when a=1
Brian McLogan
Learn how to factor out the GCF to solve a quadratic equation
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
Applying the zero product property to solve the factored form
πLearn how to solve quadratic equations by factoring. We will focus on factoring special techniques such as the zero product property, difference of two squares, box method and guess and check. Once we have factored the quadratic...
Brian McLogan
Learn to find the solutions of a quadratic by applying the quadratic formula
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
What you need to know | Polynomials
In this video I will cover the topics and processes you will need to know before starting Polynomials. We will begin by solving quadratic equations using the zero product property, factoring trinomials, solving quadratic equations using...
Brian McLogan
Master solving a system of equations using elimination
Master solving a system of equations using elimination
Brian McLogan
How to use zero product property to solve a quadratic in factored form
πLearn how to solve a quadratic equation using the zero product property. When a quadratic equation has been factored or is given in factored form, we can solve the quadratic equation by applying the zero product property. The zero...
Brian McLogan
Find the solutions to a trigonometric equation by factoring
π Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Brian McLogan
12 Quadratics Solved | Completing the Square
In this video I work through 12 examples of solving quadratic equations using the square root method and completing the square. Even though we could solve each quadratic equation by factoring or completing the square I go through the...
Brian McLogan
Completely Factor a Polynomial Using Synthetic Division and Find Zeros and Sketch
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...
Curated Video
Solving Inequalities Using Multiplication or Division
In this video lesson we will apply the Properties of Inequality using Multiplication and Division. We will discover that when you multiply or divide both sides of an inequality by the same POSITIVE value the result is an equivalent...
Brian McLogan
Find all the solutions of a trig equation by looking at the graph and unit circle
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
Master Solving quadratic equations by factoring when a is not 1
Master Solving quadratic equations by factoring when a is not 1
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Quadratic Inequalities
It explains how to solve quadratic inequalities algebraically and graphically.
Brian McLogan
Sketching the graph of a polynomial using the zeros and multiplicity
π Learn how to use the tools needed to graph a polynomial function in factored form. A polynomial in factored form is when the polynomial is written as a product of its linear factors. Each linear factor represents an x-intercept and the...
Curated Video
Solving Two-Step Inequalities
In this video, the teacher explains how to solve multi-step inequalities in four simple steps. The lesson draws on prior learning of solving equations and inequalities and provides examples with clear explanations and visual aids.
msvgo
Solving Linear Inequalities in One Variable
It explains and states rules to find the algebraic solutions of linear inequalities in one variable and represent the solution set graphically.
Curated Video
Solving Compound Inequalities
In this video lesson we will learn about compound linear inequalities. We will discover that compound inequalities are two inequalities joined by an AND or an OR. You will write, graph and solve compound inequalities. You will discover...
Math Fortress
Algebra I: Equations (Level 1 of 2)
This video goes over the basic structure of open sentences and finding solutions (roots) of simple algebraic equations over a given domain.
Brian McLogan
Solving a trigonometric equation with half angle
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Factoring polynomials to find the zeros and multiplicity
Factoring polynomials to find the zeros and multiplicity
Curated Video
Identify Special Solutions of Compound Inequalities
In this video lesson we will learn how to identify Special Solutions of Compound Inequalities. We will learn that some compound inequalities have no solution, a solution of all real numbers, one solution or a one inequality solution. We...