Brian McLogan
Simplifying a rational expression with an imaginary number
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...
Brian McLogan
Master writing the equation of a polynomial give complex zeros
Master writing the equation of a polynomial give complex zeros
Brian McLogan
Algebra 2 Math tutorial for dividing complex numbers by mulitplying by i on numerator & denominator
In this video playlist you will learn everything you need to know with complex and imaginary numbers 18/7i
Brian McLogan
What is the difference between imanginary numbers and complex numbers
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...
Brian McLogan
What is the absolute of a complex number
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...
Brian McLogan
Simplifying an imaginary number to a higher power
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
Tutorial - Finding the absolute value of a complex number ex 2, (10 - 7i)
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...
Brian McLogan
Simplifying a rational trigonometric expression by using conjugate of the denominator
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Brian McLogan
Pre-Calculus - Find the values or real and imaginary numbers in standard form (a-1)+(b+3)i=5+8i
In this video I show you how to find the value of a and b of complex number when you have two complex numbers equal to each other. When two complex numbers are equal to each other the values of a and b must be equal to one another. (a-1)...
Brian McLogan
Writing complex numbers in standard form again
Writing complex numbers in standard form again
Brian McLogan
Tutorial - Finding the absolute value of a complex number ex 3, (-1 - 6i)
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...
Brian McLogan
Tutorial - Finding the absolute value of a complex number ex 4, (-8i)
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...
Brian McLogan
Multiplying radicals as an imaginary numbers
👉 Learn how to multiply radical expressions. In this playlist we will explore multiplying radical expressions and then simplifying. We will explore the square root, cube root as well as the fourth root of numbers and algebraic expressions.
Curated Video
Classifying Complex Numbers: Real or Imaginary
In this lesson, we review the concept of real numbers and irrational numbers, as well as the definition of the imaginary number i. The lesson explains that a complex number can be simplified to the form a + bi, where a and b are real...
Brian McLogan
Multiply by the conjugate for a rational expression
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
Writing complex numbers in standard form
👉 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...
Brian McLogan
Tutorial - Finding the absolute value of a complex number ex 6, (7 + 7i)
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...
Brian McLogan
Tutorial - Finding the absolute value of a complex number ex 1, (4 + 3i)
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...
Brian McLogan
Simplifying a complex expression and putting it in standard form
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...
Brian McLogan
Tutorial - Dividing complex numbers ex 21, (i + 2)/(i - 2)
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...
Brian McLogan
Tutorial - Dividing complex numbers ex 17, (-2 - 5i)/3i
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...
Brian McLogan
Tutorial - Finding the absolute value of a complex number ex 5, (4 + i)
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...
Brian McLogan
Solve a Polynomial with Complex Zeros 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
Tutorial - Dividing complex numbers ex 20, (7 + 4i)/(2 - 3i)
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...