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Brian McLogan
Introduction to rationalizing the denominator to simplify a radical expression
👉 Learn how to divide rational expressions with a radical in the denominator. To divide rational expressions with a radical in the denominator, we rationalize the denominator by multiplying both the numerator and denominator by the...
Brian McLogan
Learn how to solve completely using the difference of two cubes
👉 Learn how to find the zeroes of a polynomial equation/expression involving the sum/difference of two cubes. Given a polynomial having the sum of two cubes, the polynomial can be factored as follows: a^3 + b^3 = (a + b)(a^2 - ab + b^2)....
Brian McLogan
Write the equation of the polynomial given the zeros
👉 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...
Curated Video
How to Classify Real Numbers
This lesson reviews key vocabulary of real numbers. A Venn Diagram is used to classify real numbers. You will learn how to use vocabulary words - whole, integer, rational, irrational and real to classify numbers.
Grade 8...
Grade 8...
Brian McLogan
Pre-Calculus - Using the conjugate to simplify a rational complex number (3-i) / (1+i)
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...
Curated Video
Classifying Real Numbers
In this video lesson we will learn how to identify numbers as real, irrational, rational, integer and whole. We will review the definitions of each of the sets of numbers and understand how to use what we know to classify values. We...
Brian McLogan
Learn how to write the equation of the polynomial given irrational zeros
👉 Learn how to write the equation of a polynomial when given irrational 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....
Brian McLogan
Given irrational zeros write the equation of the polynomial
👉 Learn how to write the equation of a polynomial when given irrational 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....
Curated Video
How to Identify an Irrational Number
In this short video we will answer a standardized math test question where we are asked to identify which of four number values is irrational. We will learn that any nonperfect square number is irrational. We will also review that any...
Curated Video
How to Approximate Square Roots Without a Calculator
In this video lesson we will learn how to identify a non-perfect square. We will also learn how to identify what two consecutive integers a non-perfect square lies between. We will use this information to approximate the value to the...
Brian McLogan
Given One Zero or Factor Find the Remaining Zeros
👉 Learn how to find all the zeros of a polynomial given one irrational 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
Rationalizing a denominator help me pass my math class
👉 Lean how to divide rational expressions with a radical in the denominator. To divide rational expressions with a radical in the denominator, we rationalize the denominator by multiplying both the numerator and denominator by the...
Let's Tute
Real Numbers: Irrational Numbers
In this video, the teacher explains the concept of rational and irrational numbers, and how to identify them using examples of integers, terminating decimals, and non-terminating repeating decimals. The teacher also shows how to prove...
Brian McLogan
Write the equation of the polynomial given the zeros
👉 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
Write the equation of a polynomial given irrational zeros
👉 Learn how to write the equation of a polynomial when given irrational 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....
Brian McLogan
Given a Irrational Factor, Find All the Zeros
👉 Learn how to find all the zeros of a polynomial given one irrational 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
Master how to find all of the zeros of a polynomial when given two irrational zeros
Master how to find all of the zeros of a polynomial when given two irrational zeros
Curated Video
Locating Irrational Numbers on a Number Line (Part 2)
Locate irrational numbers on a number line.
Curated Video
Advanced English Vocabulary Test | 20 Advanced Words
How good is your English vocabulary? If you know all the words in this quiz, it's probably very advanced!
Use this video to have some fun and test you
r English!
Knowing these words will also help you in exams such...
Use this video to have some fun and test you
r English!
Knowing these words will also help you in exams such...
Brian McLogan
Write the equation of the polynomial given the zeros
👉 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
Write the polynomial given conjugate irrational zeros
👉 Learn how to write the equation of a polynomial when given irrational 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....
Brian McLogan
Classifying real numbers
👉 Learn how to classify numbers. We will classify numbers as real, imaginary, rational, and irrational.