Instructional Video4:22
Brian McLogan

Solving trigonometric equations with multiple angles

12th - Higher Ed
πŸ‘‰ Learn how to solve trigonometric equations using the zero product property. The zero product property states that when the product of two quantities is equal to 0, then either of the quantities is zero. When solving factored...
Instructional Video6:52
Brian McLogan

Learn how to solve a word problem by using factoring a quadratic

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Instructional Video6:38
Brian McLogan

Label the zeros, multiplicity, and determine degree and LC from a graph

12th - Higher Ed
πŸ‘‰ Learn how to classify polynomials based on the number of terms as well as the leading coefficient and the degree. When we are classifying polynomials by the number of terms we will focus on monomials, binomials, and trinomials, whereas...
Instructional Video1:45
Brian McLogan

What is intercept form

12th - Higher Ed
πŸ‘‰ Learn how to graph a quadratic equation in standard form. To do this we will explore multiple methods such as the intercept method, identifying the vertex, axis of symmetry and identifying points on the graph using a table. Once you...
Instructional Video5:05
Brian McLogan

Determine the number of positive, negative and complex roots of a polynomial

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 Video1:48
Brian McLogan

Learn How to Factor a Polynomial to Third Power to Determine Zeros

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video1:05
Brian McLogan

Learn to find the x and y intercepts of a rational function

12th - Higher Ed
πŸ‘‰ Learn how to find the x and y-intercepts of a rational function. The x-intercept(s) of a function occurs when y = 0 and the y-intercept(s) of a function occurs when x = 0. To find the y-intercept of a function, we plug in zero for x...
Instructional Video6:21
Brian McLogan

How to apply Descartes rule of signs for polynomials

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 Video8:12
Brian McLogan

Find all the possible real positive, real negative and complex zeros of a polynomial

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 Video5:44
Brian McLogan

How to find the number of real and complex zeros using descartes rule of signs

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 Video4:42
Brian McLogan

Given One Complex Zero Find the Remaining Zeros of a Polynomial

12th - Higher Ed
πŸ‘‰ Learn how to find all the zeros of a polynomial given one complex 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...
Instructional Video4:27
Brian McLogan

Given a Zero Determine the Remaining Zeros of a Polynomial

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video5:13
Brian McLogan

Find All the Zeros Using of a Polynomial to the 4th Power

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video4:20
Brian McLogan

Applying the Rational Zero test to identify all of the rational zeros of a polynomial

12th - Higher Ed
πŸ‘‰ Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Instructional Video3:55
Brian McLogan

Given the imaginary zeros find the equation of the polynomial

12th - Higher Ed
πŸ‘‰ Learn how to write the equation of a polynomial when given imaginary 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...
Instructional Video7:04
Brian McLogan

How to Find the zeros of a quadratic function - box method - quadratic function

12th - Higher Ed
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Instructional Video6:02
Brian McLogan

Learn how to solve a quadratic when a=1 using the diamond method

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Instructional Video3:30
Brian McLogan

Solving a quadratic by solving using the difference of two squares

12th - Higher Ed
πŸ‘‰Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Instructional Video3:58
Brian McLogan

Learn how to mentally factor a trinomial and solve the quadratic equation

12th - Higher Ed
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Instructional Video5:42
Brian McLogan

Pre-Calculus - Solving a logarithmic equation by using factoring log3(x) + log3(x-8) = 2

12th - Higher Ed
In this video series I show you how to solve logarithmic and natural logarithmic equations. When solving logarithmic equations it is important to isolate the function and then change to exponential form or use logarithmic properties....
Instructional Video1:59
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 Video3:56
Brian McLogan

Learn how to apply rational zero test to determine the number of possible rational zeros

12th - Higher Ed
πŸ‘‰ Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Instructional Video4:04
Brian McLogan

Learning how to find all the possible rational zeros of a polynomial using the rational zero test

12th - Higher Ed
πŸ‘‰ Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Instructional Video2:30
Brian McLogan

How to use factor theorem to determine if a binomial is factor of polynomial

12th - Higher Ed
πŸ‘‰ Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...