Instructional Video11:59
Zach Star

The beauty of complex numbers

12th - Higher Ed
This video covers complex numbers, euler's formula, fractals, and more of the mechanics of complex numbers.<br/>
Instructional Video2:59
Brian McLogan

How do you combine complex numbers

12th - Higher Ed
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Instructional Video2:53
Brian McLogan

Subtracting complex numbers

12th - Higher Ed
In this video series I show you how to add and subtract complex numbers. Addition and subtraction of complex numbers is very similar to addition and subtraction of polynomials where we can only combine like terms. We then want to write...
Instructional Video3:56
Brian McLogan

Tutorial - How do we divide complex numbers, 8/i

12th - Higher Ed
In this video series I will show you how divide complex numbers. We do this by eliminating the imaginary number on the denominator by producing equivalent fractions. We do this by multiplying i if we have an imaginary number on the...
Instructional Video4:42
Brian McLogan

Given One Complex Zero Find the Remaining Zeros of a Polynomial

12th - Higher Ed
👉 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 Video5:21
Brian McLogan

Pre-Calculus - Adding rational expressions with and imaginary conjugates 2i/(2+i) + 5/(2-i)

12th - Higher Ed
In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational complex numbers and rational expressions with imaginary. Like polynomials when adding complex numbers we can...
Instructional Video3:47
Brian McLogan

Algebra 2 - Simplifying a complex rational expression - Online Tutor 2/(4-5i)

12th - Higher Ed
In this video tutorial I show you how to divide complex numbers. Since complex numbers have an imaginary part which we cannot divide into other numbers we rewrite the expression by multiplying by i or the conjugate on the denominator or...
Instructional Video0:55
Brian McLogan

Multiplying two imaginary numbers then simplifying the expression to a real number

12th - Higher Ed
Multiplying two imaginary numbers then simplifying the expression to a real number
Instructional Video21:42
Brian McLogan

12 Quadratics Solved | Completing the Square

12th - Higher Ed
In this video I work through 12 examples of solving quadratic equations using the square root method and completing the square. Even though we could solve each quadratic equation by factoring or completing the square I go through the...
Instructional Video2:53
Brian McLogan

Learn how to rewrite an expression using the value i, 5 - root(-24)

12th - Higher Ed
👉 Learn how to simplify radical expressions. In this playlist we will explore simplifying radical expressions by prime factorization and rules of exponents. We will explore the square root, cube root as well as the fourth root of numbers...
Instructional Video9:43
Brian McLogan

Master Multiplying Complex numbers

12th - Higher Ed
Master Multiplying Complex numbers
Instructional Video4:50
Brian McLogan

Given complex zeros find the polynomial - Online Tutor

12th - Higher Ed
👉 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...
Instructional Video5:59
Brian McLogan

Finding the polynomial when given imaginary zeros - Online Math Tutor

12th - Higher Ed
👉 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 Video4:12
Brian McLogan

How to Simplify a complex fraction by multiplying by the LCD

12th - Higher Ed
How to Simplify a complex fraction by multiplying by the LCD
Instructional Video3:21
Brian McLogan

Algebra 2 - What is the complex conjugate throrem

12th - Higher Ed
In this video series I show you how to write the equation of a polynomial when given the zeros. To do this we need to work backwards from solving the zeros of a polynomial to construct a polynomial. We first convert our zeros into...
Instructional Video2:00
Brian McLogan

What do you need to know to combine complex numbers

12th - Higher Ed
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Instructional Video11:15
Brian McLogan

Understanding complex numbers as zeros

12th - Higher Ed
Understanding complex numbers as zeros
Instructional Video3:49
Brian McLogan

Pre-Calculus - Using the conjugate to simplify a rational complex number (3-i) / (1+i)

12th - Higher Ed
In this video series I show you how to simplify rational complex numbers. We do this by eliminating dividing by an imaginary number. We can either do this by multiplying by i which produces -1 or multiplying by the conjugate of a...
Instructional Video3:35
Brian McLogan

What is the difference between imanginary numbers and complex numbers

12th - Higher Ed
In this math tutorial I will show you how write a complex number in standard form after simple operations have been performed. You will learn how to find the value of real and imaginary numbers in a complex number and then write it in...
Instructional Video11:33
Brian McLogan

Overview of zeros of a polynomial - Online Tutor - Free Math Videos

12th - Higher Ed
👉 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...
Instructional Video10:46
Brian McLogan

Pre-Calculus - Learn the basic operations of complex numbers

12th - Higher Ed
In this math tutorial I will show you how write a complex number in standard form after simple operations have been performed. You will learn how to find the value of real and imaginary numbers in a complex number and then write it in...
Instructional Video2:37
Brian McLogan

What is the principal square root

12th - Higher Ed
👉 Learn how to simplify radical expressions. In this playlist we will explore simplifying radical expressions by prime factorization and rules of exponents. We will explore the square root, cube root as well as the fourth root of numbers...
Instructional Video1:49
Brian McLogan

What is the absolute of a complex number

12th - Higher Ed
In this video series I will show you how to find the absolute value of a complex number. The absolute value of a complex number represents the distance from a complex number to the origin. We will do this by taking the absolute value of...
Instructional Video2:45
Brian McLogan

Summary for multiplying complex numbers

12th - Higher Ed
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you...