Brian McLogan
Label the zeros, multiplicity, and determine degree and LC from a graph
π Learn how to classify polynomials based on the number of terms as well as the leading coefficient and the degree. When we are classifying polynomials by the number of terms we will focus on monomials, binomials, and trinomials, whereas...
Brian McLogan
Learning how to factor a binomial using the difference of two squares
πLearn how to factor quadratics using the difference of two squares method. When a quadratic contains two terms where each of the terms can be expressed as the square of a number and the sign between the two terms is the minus sign, then...
Brian McLogan
How to find the discriminant of a quadratic and label the solutions
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
How to apply Descartes rule of signs for polynomials
π Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
Brian McLogan
Graphing a quadratic equation using transformations
π Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Curated Video
How to Conquer Completing the Square Part A
Learn how to conquer solving a quadratic equation using the method completing the square. Part A, this video, will provide an organized list of steps to complete the square when a=1. The concept of perfect square trinomials will be...
Curated Video
5G and Wireless Communication for Beginners - Software Defined Networking (SDN) and Infrastructure as Code
This video focuses on SDN and infrastructure as code. This clip is from the chapter "5G Update - 2020" of the series "5G and Wireless Communication for Beginners".This section presents the latest updates on 5G.
Curated Video
Comprehensive Android Developer Bootcamp - Challenge Solution Final - Showing HighestScore Text
CHALLENGE SOLUTION β Improve Trivia app: Challenge Solution Final - Showing HighestScore Text This clip is from the chapter "CHALLENGE SOLUTION β Improve Trivia app" of the series "The Comprehensive Android Developer Bootcamp".This...
Brian McLogan
Subtracting two rational trig expression to simplify
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
Pre-Calculus - How to find the exact value by using the sum of two angles formula with cosine
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
Using the zero product property to solve
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
How to solve a quadratic using the difference of two squares
πLearn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Brian McLogan
Find the value of x when 2 functions are set equal to each other
In this video tutorial I show you how to solve a quadratic equation by factoring. To do this we first need to factor the equation by using any of the methods we have previously discussed. We then set our factored form of our quadratic to...
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
Learning how to find all the possible rational zeros of a polynomial using the rational zero test
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 to use factor theorem to determine if a binomial is factor of polynomial
π Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Brian McLogan
How can we describe our solutions to a system of equations
πLearn about solving a system of equations by graphing. A system of equations is a set of more than one equations which are to be solved simultaneously. To solve a system of equations graphically, we graph the individual equations making...
Brian McLogan
Solving an equation with variables on both side and one solution
π Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of...
KnowMo
Solving Quadratics by Completing the Square
This is a lecture presentation on solving quadratic equations by completing the square. The presenter explains the process of completing the square, provides examples, and walks through the steps to solve for X.
Brian McLogan
Verifying a trigonometric Identities
π Learn how to verify trigonometric identities involving the addition and subtraction of terms. To do this it is usually useful to convert the addition or subtraction terms in terms of one trigonometric function and then evaluate....
Brian McLogan
Using the addition of two angles formula and sine
π Learn how to evaluate the sine 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
Tutorial for verifying a trigonometric identity
π Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term(s) on the left hand side of the equality sign is equal to the term(s) on the right hand side. To...
Brian McLogan
Pre-Calculus - Solve an Equation Using the Double Angle Formula of Sine
π Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Brian McLogan
Solving trigonometric equations
π Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...