Brian McLogan
Simplifying i to a higher power the easy way
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...
Brian McLogan
Rewriting a number using i
In this video series I will show you how to rewrite a number using i. root(-28)
Brian McLogan
What do you need to know to simplify an imaginary number to a higher power
👉 Learn the basics of converting between radicals and rational powers. When given a number raised to a rational power, we take the nth root of the number where n is the number in the denominator of the rational power, then we raise the...
Brian McLogan
Learn How to Find the Real and Complex Zeros from Factoring
👉 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
Pre-Calculus - Multiplying radicals using the imaginary unit i, root(5) * root(-8)
In this math tutorial I will show you how to multiply complex numbers. Complex numbers come in the form of a +bi. Multiplying complex numbers carry some of the same properties as multiplying polynomials. However when simplifying we will...
Brian McLogan
Tutorial - Simplifying Expressions with Complex numbers ex 1, (8i)(4i)(-9i)
In this video playlist you will learn everything you need to know with complex and imaginary numbers (8i)(4i)(-9i)
Brian McLogan
Tutorial - What is an imaginary number
In this video playlist you will learn everything you need to know with complex and imaginary numbers
Brian McLogan
Determining the Zeros of a Polynomial to the Fifth Power by Factoring
👉 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
What do I need to know to rewrite a number using the unit i
👉 Learn the basics of converting between radicals and rational powers. When given a number raised to a rational power, we take the nth root of the number where n is the number in the denominator of the rational power, then we raise the...
Brian McLogan
What is a complex number
In this video playlist you will learn everything you need to know with complex and imaginary numbers
Brian McLogan
What are complex numbers and the equality of complex numbers
👉 Learn about solving 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
Master Adding and Subtracting Complex Numbers
Master Adding and Subtracting Complex Numbers
Khan Academy
Introduction to i and Imaginary Numbers, Imaginary and Complex Numbers, Precalculus
Students are always fascinated by imaginary numbers. In this video, Sal defines the imaginary unit, i, and shows when raising i to an exponent, it has a cyclic nature.
Khan Academy
Introduction to I and Imaginary Numbers, Imaginary and Complex Numbers, Precalculus
Students are always fascinated by imaginary numbers. In this video, Sal defines the imaginary unit, i, and shows that it has a cyclic nature when raising i to an exponent.
Khan Academy
Khan Academy: Algebra: Complex Numbers: I as the Principal Root of 1
Video shows the logic behind why some believe that saying i is the principal root of -1 is wrong. Explains why the logic is faulty. Explains more technically the meaning of principal root. [6:44]
Khan Academy
Khan Academy: The Imaginary Unit I: I as the Principal Root of 1
Video shows the logic behind why some believe that saying i is the principal root of -1 is wrong.
Khan Academy
Khan Academy: Algebra: Complex Numbers: Imaginary Roots of Negative Numbers
Video shows how to simplify the square root of a negative number using the imaginary unit i. [4:04]
Khan Academy
Khan Academy: Algebra: Complex Numbers: Introduction to I and Imaginary Numbers
Video introduces i as the imaginary unit, gives two versions of the definition for i, and then shows what various powers of i equal. [5:20]