Brian McLogan
Subtracting two radical expressions with variable radicands
π Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
Learning how to use prime factorization to simplify a radical expression
π Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Brian McLogan
Learn how to take the square root of a number using the identity element
π Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...
Brian McLogan
Learn how to rationalize the denominator with a radical in numerator and denominator
π Learn how to find the square root of rational numbers. To find the square root of a rational number, we first express the rational number as the square root of the numerator divided by the square root of the denominator and simplify....
Brian McLogan
How do negative exponents simplify an expression
π Learn how to simplify expressions using the quotient rule and the negative exponent rule of exponents. The quotient rule of exponents states that the quotient of powers with a common base is equivalent to the power with the common base...
Brian McLogan
Adding two radical expressions by simplifying first
π Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
With Fractions, solve using the difference of two squares
πLearn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Quadratic Formla - Explained
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...
Brian McLogan
Learning to write the equation of a parabola given three different points
π Learn how to write the equation of a parabola given three points. The equation of a parabola is of the form f(x) = ax^2 + bx + c, where a, b and c are constants. Since, the equation of a parabola has 3 constants, three equations and...
Brian McLogan
Master Simplifyig the cube root of a number
Master Simplifyig the cube root of a number
Brian McLogan
Evaluate Never ending radical | Can You Solve?
Evaluate Never ending radical | Can You Solve?
Brian McLogan
Learn how to find inverse of a function and determine if the inverse is a function or not
π Learn how to find the inverse of a linear function. A linear function is a function whose highest exponent in the variable(s) is 1. The inverse of a function is a function that reverses the "effect" of the original function. One...
Brian McLogan
How to find the inverse and then determine if the inverse is a function
π Learn how to find the inverse of a quadratic function. A quadratic function is a function whose highest exponent in the variable(s) of the function is 2. The inverse of a function is a function that reverses the "effect" of the...
Brian McLogan
How to find the equation that goes through three points
π Learn how to write the equation of a parabola given three points. The equation of a parabola is of the form f(x) = ax^2 + bx + c, where a, b and c are constants. Since, the equation of a parabola has 3 constants, three equations and...
Brian McLogan
How to apply the power to power rule with rational exponents
π Learn how to simplify rational powers using the power rule. There are some laws of exponents which might come handy when simplifying expressions with exponents. Some of the laws include the power rule which states that when an...
Brian McLogan
Algebra 2 - Simplifying square roots with imaginary numbers, x^2 + 1 = 0
In this video tutorial I show you how simplify imaginary numbers to a higher power. When working with imaginary numbers we notice that the value of imaginary numbers repeat after the degree 4. Therefore when we have an imaginary number...
Brian McLogan
Algebra 2 - Simplifying square roots to prepare for imaginary numbers, root(9), root(20)
In this video tutorial I show you how simplify imaginary numbers to a higher power. When working with imaginary numbers we notice that the value of imaginary numbers repeat after the degree 4. Therefore when we have an imaginary number...
Brian McLogan
Algebra 2 - Multiplying complex numbers (4-5i)(4+i)
In this video tutorial I show you how to multiply imaginary numbers. We will multiply monomials, binomials and trinomials together and then simplify. It is important when multiplying complex number that we simplify the answer and write...
Brian McLogan
Algebra 2 - Subtraction two rational expressions with complex numbers, ((1 + i)/i) - (3/(4 - i))
In this video playlist you will learn everything you need to know with complex and imaginary numbers ((1 + i)/i) - (3/(4 - i))
Brian McLogan
Algebra 2 - Tutoring Algebra 2 Adding and subtracting complex numbers (-2+5i) + (1-7i)
In this video tutorial I will show you how to add and subtract complex numbers. When combining complex numbers it is important for us to understand that we must have like terms. We then add and subtract in either the horizontal or...
Brian McLogan
Simplifying the Root of Positive and Negative Numbers a Brief Rundown, Cube Root(27)
π Learn how to find the cube root of a number. To find the cube root of a number, we identify whether that number which we want to find its cube root is a perfect cube. This is done by identifying a number which when raised to the 3rd...
Brian McLogan
Pre-Calculus - Simplifying a trigonometric expression with only two functions,tan(x)*cos(x)
In this video playlist you will learn all about Analytic Trigonometry. We will start by simplifying trigonometric expressions using trigonometric identities such as the quotient, reciprocal,Pythagorean Identies as well basic algebraic...
Brian McLogan
Solving a rational expression by multiplying by the LCM
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
Solving a rational Equation
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 equations, one of...