Brian McLogan
Solve using the quadratic formula with complex solutions
👉 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
Understanding the discriminant as a part of the quadratic formula
👉 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
Learn how to solve a quadratic equation using the quadratic formula
👉 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...
Curated Video
Graphing Quadratic Functions and Understanding Complex Roots
In this video, the teacher explains the graphical meaning of real and complex roots in quadratic functions. They review function notation and the steps to graph a quadratic function. They also explain how to use the discriminant to...
Brian McLogan
Solving using the quadratic formula with complex solutions
👉 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...
Curated Video
Finding Complex Solutions of Quadratic Equations
This video explains how to find complex solutions of quadratic equations using the method of completing the square. It provides step-by-step instructions on isolating variables, finding perfect square trinomials, and using the square...
Brian McLogan
Master Solving a quadratic equation using the quadratic formula
Master Solving a quadratic equation using the quadratic formula
Brian McLogan
Find all the possible real positive, real negative and complex zeros of a polynomial
👉 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
Master Solving using the quadratic formula with complex solutions
Master Solving using the quadratic formula with complex solutions
Brian McLogan
Master writing the equation of a polynomial give complex zeros
Master writing the equation of a polynomial give complex zeros
Brian McLogan
Master Determining the number of real positive, real negative and complex zeros, descartes rule of s
Master Determining the number of real positive, real negative and complex zeros, descartes rule of s
Brian McLogan
How to use and apply Descartes Rule of signs
👉 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
Learn How to Solve a Polynomial Using the Difference of Two Cubes
👉 Learn how to find all the zeros of a polynomial. 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 polynomial are the values...
Brian McLogan
How to find the zeros of a polynomial using the sum of two cubes
👉 Learn how to find the zeroes of a polynomial equation/expression involving the sum/difference of two cubes. Given a polynomial having the sum of two cubes, the polynomial can be factored as follows: a^3 + b^3 = (a + b)(a^2 - ab + b^2)....
Brian McLogan
Using Descartes Rule of Signs to determine possible number of solutions
👉 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
Graph Rational Functions | Rational Functions | Pre-Calculus
Let's discover how to identify the asymptotes and intercepts of a rational function. We will begin graphing the reciprocal function and use that to help us understand the asymptotes and intercepts of any reciprocal function. I make...
Brian McLogan
Find zeros using sum and difference of two cubes
Find zeros using sum and difference of two cubes
Brian McLogan
Simplify Rational Expressions | Rational Functions | Pre-Calculus
In this video we will cover simplifying rational expressions. In addition to simplifying rational expressions we are going to cover simplifying complex fractions, adding, subtracting, multiplying and dividing rational expressions. We...
Why U
Algebra 79 - Adding and Subtracting Complex Numbers
Addition and subtraction of complex numbers can be done arithmetically by adding or subtracting their real parts and separately adding or subtracting their imaginary parts. These operations of complex addition and subtraction can be...
Virtual Nerd
Virtual Nerd: Solving Quadratic Equations by Inspection, Taking Square Roots
Pick from a variety of tutorials to teach how to solve quadratic equations using various methods.