Instructional Video3:24
Brian McLogan

Use Descartes Rule of signs to determine the number of positive and negative

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video5:19
Brian McLogan

Completing the square of two functions

12th - Higher Ed
πŸ‘‰ Learn how to write a quadratic equation from standard form to vertex form by completing the square. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. It is of the form f(x) = ax^2 + bx + c. Given a...
Instructional Video2:31
Brian McLogan

Translating sentences using more than one operations ex 4

12th - Higher Ed
πŸ‘‰ Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...
Instructional Video2:13
Brian McLogan

Applying distributive property with a negative one to solve the multi step equation

12th - Higher Ed
πŸ‘‰ Learn how to solve multi-step equations with parenthesis. 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 operations to get to the...
Instructional Video8:12
Brian McLogan

How to graph a hyperbola with asymptotes and center at origin

12th - Higher Ed
How to graph a hyperbola with asymptotes and center at origin
Instructional Video5:31
Brian McLogan

Given an equation find the vertices, center and foci of hyperbola

12th - Higher Ed
Learn how to graph hyperbolas. To graph a hyperbola from the equation, we first express the equation in the standard form, that is in the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2 - (x - h)^2...
Instructional Video1:07
Brian McLogan

Sketch the angle then find the reference angle

12th - Higher Ed
πŸ‘‰ Learn how to find the reference angle of a given angle. The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. To find the reference angle, we determine the quadrant on which the given angle lies...
Instructional Video2:42
Brian McLogan

Find the coordinate point of the given angle

12th - Higher Ed
πŸ‘‰ Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Instructional Video1:50
Brian McLogan

Learn how to use the power to quotient rule to simplify an expression

12th - Higher Ed
πŸ‘‰ Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Instructional Video2:03
Brian McLogan

How to subtract two binomials

12th - Higher Ed
πŸ‘‰ Learn how to subtract polynomials. To subtract polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you...
Instructional Video2:15
Brian McLogan

Learn how to subtract polynomials by rewriting the problem as addition

12th - Higher Ed
πŸ‘‰ Learn how to subtract polynomials. To subtract polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you...
Instructional Video7:01
Brian McLogan

Find the domain and range using the inverse of the square root function

12th - Higher Ed
πŸ‘‰ Learn how to find the inverse of a function. The inverse of a function is a function that reverses the "effect" of the original function. One important property of the inverse of a function is that when the inverse of a function is...
Instructional Video2:58
Brian McLogan

How to determine the LCM to allow us to add two rational expressions

12th - Higher Ed
Learn how to add/subtract rational expressions with monomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Instructional Video1:58
Brian McLogan

Algebra 2 - Apply foil to multiply two complex numbers, (sqrt(-4) - 7)(sqrt(-25) + 2)

12th - Higher Ed
In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write in simplified standard form. When...
Instructional Video2:29
Brian McLogan

Algebra 2 - Learn how to simplify a radical with imaginary numbers, 3sqrt(-128)

12th - Higher Ed
In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write in simplified standard form. When...
Instructional Video1:28
Brian McLogan

Algebra 2 - How to multiply two complex numbers using special products, (5 - 3i)(5 + 3i)

12th - Higher Ed
In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write in simplified standard form. When...
Instructional Video18:00
Brian McLogan

4 Tips to Solve a System of Equations Algebraically | Algebra

12th - Higher Ed
πŸ‘‰In this video I will cover how to solve a system of equations using elimination and or substitution through 4 different tips. The tips will help us determine which method is preferred based on the system as well solution we are looking...
Instructional Video9:32
Brian McLogan

Master how to find two coterminal angles 1 positive 1 negative

12th - Higher Ed
Master how to find two coterminal angles 1 positive 1 negative
Instructional Video1:59
Brian McLogan

Tutorial - Promo Solving a system of equations by elimination

12th - Higher Ed
In this video playlist you will explore how to solve a linear system by elimination. We use elimination to describe this process because we will eliminate a variable by adding or subtracting the two equations. Before we add or subtract...
Instructional Video3:49
Brian McLogan

Learn how to solve a rational equation when the solution does not work when plugged in

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video2:15
Brian McLogan

Math tutorial for adding two rational expressions

12th - Higher Ed
Learn how to add and/or subtract rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. When adding or subtracting rational...
Instructional Video4:30
Brian McLogan

Combining rational expression with unlike denominators

12th - Higher Ed
Learn how to add and/or subtract rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. When adding or subtracting rational...
Instructional Video9:02
Brian McLogan

Learn how to use long division to divide two polynomials

12th - Higher Ed
πŸ‘‰ Learn how to divide polynomials using the long division algorithm. To be able to solve a polynomial, we need to be able to get the factors and hence the zeros. To get the factors, we use the rational zeros theorem to get one of the...
Instructional Video3:09
Brian McLogan

Multiplying two rational expressions

12th - Higher Ed
Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...