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Curated Video
Writing Algebraic Expressions for Real World Scenarios
In this video, the teacher explains how to write algebraic expressions for real-world scenarios by using an area model. The examples given involve buying CDs and distributing pencils evenly among students. The teacher emphasizes the...
Brian McLogan
Dividing rational expressions
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...
Brian McLogan
Learn how to find the width and height of a box with polynomials
π Learn about dividing by synthetic division when there is a missing power. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Math Fortress
Differential Equations: Implicit Solutions (Level 1 of 3)
This video introduces the basic concepts associated with solutions of ordinary differential equations. This video goes over implicit solutions of differential equations. The concept of a formal solution is also presented.
Curated Video
Understanding Algebraic Expressions
In this video, students learn about algebraic expressions and how they represent variables and mathematical operations. They are shown examples of expressions and non-expressions, and the difference between expressions and equations is...
Brian McLogan
Evaluate an expression with one variable ex 1, x + 5; x = 3
π Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Simplify a large numeric expression by applying the order of operations
π 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...
Brian McLogan
Learn how to simplify an expression by using distributive property, 3(x^2 + 7x)
π 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...
Brian McLogan
How to simplify an expression by applying distributive property and combining like terms
π 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...
Brian McLogan
Vertical and straight angles solve for the measure of an two angles with two variables
π Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Curated Video
8+ IELTS Vocabulary about Pets
Today youβll learn 11 8+ words and phrases about pets to use on your next IELTS Exam. Although in many countries, especially Western nations, owning and caring for pets is a part of life, this isnβt true in a lot of societies....
Brian McLogan
How to expand a logarithmic expression with multiple logarithms
π Learn how to expand logarithmic expressions involving radicals. A logarithmic expression is an expression having logarithms in it. To expand logarithmic expressions means to use the logarithm laws to expand (open up) logarithm...
Brian McLogan
Isolating a logarithm and using the power rule to solve
π Learn how to solve logarithmic equations. Logarithmic equations are equations with logarithms in them. To solve a logarithmic equation, we first isolate the logarithm part of the equation. After we have isolated the logarithm part of...
Brian McLogan
How to determine the domain of addition of two rational functions
π Learn how to find the domain of rational functions. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero. Thus, to find the domain...
Brian McLogan
Simplify expressions using fundamental identities
π Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
Find the domain from division of two functions
π Learn how to divide two functions. We will explore the division of linear, quadratic, rational, and radical functions. To divide two functions, we simply algebraically divide the rules (contents) of the two functions. We will then...
Brian McLogan
How to simplify the square root of an expression with a binomial part of the radicand
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 solve a quadratic equation by factoring out the GCF
πLearn how to solve a quadratic equation by factoring out the GCF. When factoring out the GCF from an equation we will be looking for what the terms have in common. This method is very useful for quadratic equations that does not have...
Brian McLogan
How to solve a quadratic by factoring out the GCF and using the zero product property
πLearn how to solve a quadratic equation by factoring out the GCF. When factoring out the GCF from an equation we will be looking for what the terms have in common. This method is very useful for quadratic equations that does not have...
Brian McLogan
Is it a monomial, binomial, trinomial, or polynomial
π Learn how to classify polynomials. A polynomial is an expression of the sums/differences of two or more terms having different interger exponents of the same variable. A polynomial can be classified in two ways: by the number of terms...
Brian McLogan
Solving a system of equations by using the substitution method
πLearn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Brian McLogan
Algebraic phrases to expressions using more than, 32 more than a number
π Learn how to write an algebraic expression from verbal sentence as well as writing out a sentence from a algebraic expression. To do this we need to know what words we use to express operations such as addition, multiplication,...
Brian McLogan
Multiplying complex numbers, two binomials
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...
Curated Video
Factoring with the Distributive Property Using Area Models
In this video, students learn about factoring expressions using the distributive property and area models. The video explains how to break down an expression into common factors and create equivalent expressions.