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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
How to apply factoring to a word problem of a rectangle
πLearn the basics of factoring quadratics by using different techniques. Some of the techniques used in factoring quadratics include: when the coefficient of the squared term is not 1. In that case, we first write the quadratic in...
Brian McLogan
Given a Complex Zero Find the Remaining Zeros Using Synthetic Division
π 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...
Brian McLogan
Applying descartes rule of signs to determine the number or real positive & negative zeros
π 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...
Brian McLogan
Finding the asymptotes and intercepts of a rational function
π 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...
Brian McLogan
Algebra 2 - Math tutorial for simplifying a radical using the imaginary number i, sqrt(-144)
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...
Brian McLogan
Algebra 2 - Math tutorial for multiplying three imaginary numbers by each other then simplifying
In this video playlist you will learn everything you need to know with complex and imaginary numbers (6i)(3i)(4i^2)
Brian McLogan
Pre-Calculus - Find the values of a and b of a complex number in standard form (3a-1)+(4b+5)i=4-7i
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...
Brian McLogan
Pre-Calculus - Adding Complex numbers - Online Tutor (-2+ root(-8)) + (5- root(-50))
Pre-Calculus - Adding Complex numbers - Online Tutor (-2+ root(-8)) + (5- root(-50))
Brian McLogan
Write the equation of the polynomial given the zeros
π 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...
Brian McLogan
What is the equality of complex numbers
π 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 expressions, one...
Brian McLogan
Determine the number of positive and negative real zeros of a polynomial
π 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...
Brian McLogan
Multiplication of Complex Numbers
π 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.
Brian McLogan
MASTER Rewriting an expression using your imaginary unit then apply operations to solve
MASTER Rewriting an expression using your imaginary unit then apply operations to solve
Brian McLogan
Algebra 2 - Learning how to find the quotient of a number and an imaginary number, 4/2i
In this video playlist you will learn everything you need to know with complex and imaginary numbers 4/2i
Brian McLogan
Master Graphing Sine Graph with a Vertical Translation
Master Graphing Sine Graph with a Vertical Translation
Brian McLogan
Write the equation of the polynomial given the zeros
π 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...
Brian McLogan
Tutorial - Learn what is root of a number means with even and odd roots, cuberoot(64), cuberoot(-64)
n 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...
Brian McLogan
Tutorial - Combining complex numbers ex 8, (8 + 20i) - (8 + 12i)
In this video series I will show you how to combine complex number by either subtracting or adding them together. Complex numbers have real and imaginary components. When combining complex numbers we can only add the real to the...
Brian McLogan
Summary for combining complex numbers
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...
Brian McLogan
Tutorial - Combining complex numbers ex 6, (10 - 2i) + (-11 - 7i)
In this video series I will show you how to combine complex number by either subtracting or adding them together. Complex numbers have real and imaginary components. When combining complex numbers we can only add the real to the...
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...
Brian McLogan
Write the equation of the polynomial given the zeros
π 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...