Instructional Video7:55
Curated Video

Rationalizing the Denominator: Techniques and Examples

Higher Ed
This video is a tutorial on how to rationalize the denominator of fractions containing square roots. The host explains the concept of irrational numbers and how it can be difficult to calculate with fractions that have irrational...
Instructional Video4:45
Brian McLogan

Learn how to multiply 2 radical expressions two different ways

12th - Higher Ed
πŸ‘‰ Learn how to multiply radical expressions. A radical is an expression having the root/radical symbol. The number outside the radical symbol (nth root) is called the index, the number/expression inside the radical symbol is called the...
Instructional Video0:49
Brian McLogan

How to Multiply the Square Root of Two Numbers

12th - Higher Ed
πŸ‘‰ Learn how to multiply radicals. A radical is an expression or a number under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Instructional Video2:56
Brian McLogan

How To Multiply a Binomial by a Trinomial and Simplify Your Answer - Math Tutorial

12th - Higher Ed
πŸ‘‰ Learn how to multiply polynomials. To multiply polynomials, we use the distributive property. The distributive property is essential for multiplying polynomials. The distributive property is the use of each term of one of the...
Instructional Video1:26
Brian McLogan

How to find the product of two functions

12th - Higher Ed
πŸ‘‰ Learn how to multiply two functions. We will explore the multiplication of linear, quadratic, rational, and radical functions. To multiply two functions, we simply algebraically multiply the rules (contents) of the two functions. We...
Instructional Video4:31
Brian McLogan

Factoring a trinomial a = 1

12th - Higher Ed
πŸ‘‰Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
Instructional Video5:35
Brian McLogan

Rewriting a system of equations to align the variables apply the addition method

12th - Higher Ed
πŸ‘‰Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Instructional Video8:00
Brian McLogan

Pre-albebra Percentages - free math help

12th - Higher Ed
Pre-albebra Percentages - free math help
Instructional Video2:21
Brian McLogan

Simplifying Complex Fractions

12th - Higher Ed
πŸ‘‰ Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Instructional Video2:27
Brian McLogan

Rewriting a rational expression using distributive property

12th - Higher Ed
In this video series I will show you how to rewrite fraction expressions by using the distributive property. This is a common method to help us rewrite fractions as two terms rather than one. (17 + 5n)/4
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 Video4:04
Brian McLogan

Dividing two rational expressions by multiplying by the reciprocal

12th - Higher Ed
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Instructional Video3:40
Brian McLogan

Dividing rational expressions

12th - Higher Ed
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Instructional Video12:15
Brian McLogan

Multiple Examples on Multiplying and Dividing Rational Expressions

12th - Higher Ed
Multiple Examples on Multiplying and Dividing Rational Expressions
Instructional Video3:19
Brian McLogan

How to the properties of exponents compare with logarithms

12th - Higher Ed
πŸ‘‰ Learn all about the properties of logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). The...
Instructional Video3:13
Brian McLogan

How to step by step simplify a complex fraction

12th - Higher Ed
πŸ‘‰ Learn how to simplify complex fractions. To simplify complex fractions having a fraction as the numerator and another fraction as the denominator we first factor the expressions that can be factored and then we multiply the fraction in...
Instructional Video1:40
Brian McLogan

Algebra 2 - Simplifying a complex number by multiplying by i on the top and bottom, 5/i

12th - Higher Ed
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...
Instructional Video4:31
Curated Video

GCSE Secondary Maths Age 13-17 - Graphs: Transforming Graphs - Advanced - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Instructional Video3:41
Why U

Pre-Algebra 19 - Converting Terminating Decimal Numbers to Fractions

12th - Higher Ed
Decimal numbers with a finite number of digits after the decimal point can be easily converted into fractions. This chapter explains why.
Instructional Video4:35
Curated Video

Multiplying a Whole Number by a Unit Fraction Using the Number Line

K - 12th
Multiply a whole number (a) by a fraction of the form (1/b) and recognize the equivalence of aΓ—(1/b) and a/b on the number line.
Instructional Video3:55
Brian McLogan

Given the imaginary zeros find the equation of the polynomial

12th - Higher Ed
πŸ‘‰ 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 Video2:33
Brian McLogan

How to apply distributive property then simplify the expression by combining like terms

12th - Higher Ed
πŸ‘‰ Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Instructional Video1:33
Brian McLogan

Combining like terms with variable factors, 12b^2 + 9b^2

12th - Higher Ed
πŸ‘‰ Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Instructional Video4:38
Brian McLogan

How to apply the sum of angles for the tangent of an angle

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...