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Brian McLogan
Learn how to write the polynomial equation given complex zeros
π Learn how to write the equation of a polynomial when given complex zeros. Recall that 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...
Brian McLogan
Learning to find the zeros of a cubic trinomial by factoring
π 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
Solve Quadratics | Preparing for Precalculus Part 2
Solve Quadratics | Preparing for Precalculus Part 2
Brian McLogan
Solve and graph an absolute value inequality with no solution
π Learn how to graph absolute value inequalities and graph on a coordinate plane.
Brian McLogan
Solve a Rational Equation with two solutions
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
Using Descartes Rule of Signs to determine possible number of solutions
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
What I wish I knew about compound angles in trig
What I wish I knew about compound angles in trig
Curated Video
Linear Equations in Two Variables (Part 2)
What an equation in two variables is and how to determine its solutions?
Curated Video
Finding Solutions to Equations Using a Number Line
In this video, the teacher explains the concept of equations having multiple solutions. They use the example of an equation involving marbles to demonstrate how to find the correct solution using a number line. The lesson emphasizes that...
Curated Video
Electrolysis of Aqueous Solutions
This is a lecture presentation on the electrolysis of aqueous solutions. The presenter explains what an aqueous solution is and what it contains, particularly aqueous solutions of metal salts. The presenter then presents a hypothesis on...
Brian McLogan
How to multiply two binomials with trigonometric functions to simplify an expression
π Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
How to solve for the half angle of sine
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
How to solve an equation with the multiple angle of secant
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
How to solve a multi angle equation with 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
How to solve a equation when there is no solution
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
determine all of the solutions between 0 and pi for a trigonometric eqn using 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
How to Factor a Solve for the Zeros of a Cubic Polynomial
π 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
Finding all the roots of a cubic polynomial by factoring
π 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 an extraneous solution with solving a rational equation
πIn this video I will show you how to solve a rational equation when the denominators are not the same.
Brian McLogan
Solve the cosine equation from zero to 2pi and all solutions
Solve the cosine equation from zero to 2pi and all solutions
Brian McLogan
Learn how to write all of the solutions to a trigonometric equation
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...
Brian McLogan
Tutorial for verifying trigonometric identities
π Learn how to verify trigonometric identities by expanding the trigonometric expressions. When the given trigonometric expressions involve multiplications with more than one term in parenthesis, we start by expanding the expressions...
Brian McLogan
Master Solving Two step Absolute Value equations
Master Solving Two step Absolute Value equations
Brian McLogan
Master Solving One Step Absolute Value equations
Master Solving One Step Absolute Value equations