Brian McLogan
Find the roots of a quadratic using 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...
Why U
Algebra 78 - Imaginary and Complex Numbers
The concept of imaginary and complex numbers was a powerful innovation that enabled mathematics to progress into previously uncharted territory. Although this concept was not entirely intuitive, extending our number system to include...
Brian McLogan
Using the quadratic formula to solve an equation
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...
Curated Video
Sketching Cubic Functions: Factorizing and Finding Intercepts
The video lecture focuses on understanding and sketching cubic functions that cannot be completely factorized. The speaker starts by reviewing the general shape of a cubic function and explaining how to identify different factorized...
Brian McLogan
How to Find All Zeros of a Polynomial, Given the Graph Using Synthetic Division
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...
Brian McLogan
Algebra 2 - solving an equation with the equality of logarithms log3 (x^2 - 15) = log3 (2x)
In this video series I will show you how to apply the equality of exponents to solve an equation. When we look at a simple equation of two exponents with the same base we can understand that their powers must also be equal. We will use...
Brian McLogan
Using the quadratic formula to find the zeros of a polynomial
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
Summary for solving a quadratic by factoring using various methods
πLearn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
KnowMo
Introduction to Quadratic Graphs
This video provides an informative introduction to quadratic graphs. The presenter explains the definition of a quadratic equation and how to identify one, the standard format of a quadratic equation, and the process of substituting...
Brian McLogan
Full Lesson: Rational Functions
In this video series you will learn how to graph a system of linear inequalities. When graphing a system of linear inequalities you will graph just like a system of linear equations except you will use test points to shade.
Brian McLogan
How to apply the quadratic formula to solve for two real solutions
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
How to find the x intercepts and vertex of a parabola
π Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Brian McLogan
Learn how to find the all the zeros of a polynomial with sum of two cubes
π 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
Complex Zeros of Polynomials | Polynomials | Pre-Calculus
In this video we explore how to determine the complex zeros of a polynomial function by factoring and division. We also will explore the fundamental theorem of algebra, Descartes rule of signs, and the rational zero test.
Brian McLogan
Learn how to use quadratic formula to determine the roots of an equation
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
Using the discriminate to describe the solutions of a quadratic
π Learn how to solve a quadratic equation by applying the quadratic formula. To apply the quadratic formula the quadratic equation must be equal to zero. Then you can apply the quadratic formula to determine solutions to the equation,...
Brian McLogan
Using factor trees to identify the GCF and factor it out of a binomial
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...
ACDC Leadership
Student Engagement with Jacob Clifford
For the last 9 years I've been able to travel the world and share strategies and activities to get students motivated and engaged. This video was taken at the MEGA conference sponsored by the Nevada Department of Education in April 2015....
Brian McLogan
The discriminant and finding the solutions using 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
Learn how to determine the roots of an equation using 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
Solving a rational Equation
π Learn how to solve 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
How to factor a quadratic equation by using a perfect square
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...
Brian McLogan
Apply zero product property to solve a factored quadratic equation
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
Learn How to Factor a Quadratic in Your Head When a is not Equal to One
πLearn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...