Curated Video
Using the Quadratic Formula to Solve Quadratic Equations with No Real Solutions
In this video, the teacher explains how to solve a quadratic equation that has no real solutions using the quadratic formula. The video also covers a review of imaginary and complex numbers, as well as a common mistake to avoid when...
Catalyst University
Theory of Thermodynamic Activity and Ionic Strength
Theory of Thermodynamic Activity and Ionic Strength
Brian McLogan
Overview of solutions of a quadratic function and the discriminant
👉 Learn all about 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 of...
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...
Brainwaves Video Anthology
Christopher Craft - STEM Education Real Solutions to Real Problems
Dr. Christopher Craft is an award-winning educator and speaker based in South Carolina. As a classroom teacher, he has been recognized both locally and nationally for innovative teaching with technology. Most recently he was selected...
Brian McLogan
What does the discriminant tell us about the solutions of a quadratic equation
👉 Learn all about 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 of...
Brian McLogan
Solving a quadratic using quadratic formula with two real 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
Determining the extrema as well as zeros of a polynomial based on the graph
👉 Learn how to determine the extrema from a graph. The extrema of a function are the critical points or the turning points of the function. They are the points where the graph changes from increasing to decreasing or vice versa. They are...
Brian McLogan
How to apply the quadratic formula to solve for two real 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
Master Solving a quadratic equation using the quadratic formula
Master Solving a quadratic equation using the quadratic formula
Brian McLogan
Solving an equation with multiple angles between 0 and 2pi
👉 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
Completely Factor a Polynomial Using Synthetic Division and Find Zeros and Sketch
👉 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
Derive the Quadratic Formula
In this video I will derive the Quadratic Formula by Completing the Square to the standard form for a quadratic equation. Have you ever wondered where the quadratic formula came from? Do you struggle to understand why such a complicated...
Brian McLogan
How to solve a quadratic equation by completing the square when a is not one
👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Brian McLogan
Solving and graphing a absolute value inequality with infinite many solutions
👉 Learn how to solve absolute value inequalities. The absolute value of a number is the positive value of the number. For instance, the absolute value of 2 is 2 and the absolute value of -2 is also 2. To solve an absolute value...
Brian McLogan
Learn how to sketch the graph of a polynomial given factored form using multiplicity
👉 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...
Brian McLogan
Learn how to determine the number of imaginary,real positive &real negative 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
How the number of sign changes of a polynomial helps us determine the number or real zeros
👉 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
Overview of zeros of a polynomial - Online Tutor - Free Math Videos
👉 Learn about zeros and multiplicity. The zeroes of a polynomial expression are the values of x for which the graph of the function crosses the x-axis. They are the values of the variable for which the polynomial equals 0. The...
Curated Video
Understanding the Discriminant in Quadratic Equations
This video is a lecture presentation on the discriminant in algebra. The presenter explains how the discriminant is used to determine the number of real roots in a quadratic equation and how it is contained within the quadratic formula....
Brian McLogan
What is multiplicity and what does it mean for the zeros of a graph
👉 Learn about zeros and multiplicity. The zeroes of a polynomial expression are the values of x for which the graph of the function crosses the x-axis. They are the values of the variable for which the polynomial equals 0. The...
Brian McLogan
Solve Quadratics | Preparing for Precalculus Part 2
Solve Quadratics | Preparing for Precalculus Part 2
Brian McLogan
How to solve an equation with the multiple angle of secant
👉 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...