Brian McLogan
How to Solve a System of Equations Using Elimination
👉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...
Brian McLogan
Finding the formula for a sequence of terms
👉 Learn how to write the rule of a sequence given a sequence of numbers. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. To write the explicit formula of...
Brian McLogan
Learn how to determine the resultant vector from a scalar and vector then graph
Learn how to determine the resultant vector by adding, subtracting and multiplying vectors by a scalar. We will also learn how to graph the resultant vectors to show the operations. Vectors can be added, subtracted and multiplied. To add...
Brian McLogan
How to subtract two vectors by adding
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Curated Video
Subtracting Fractions with Like Denominators Using an Area Model
This video teaches students how to subtract fractions with like denominators using an area model. It explains the concept of numerators and denominators, emphasizing that only the numerators need to be subtracted to determine the...
KnowMo
Adding and Subtracting Fractions: Common Denominators and Mixed Numbers
This video is a tutorial on how to add and subtract fractions, including mixed numbers. The presenter emphasizes the importance of having a common denominator before adding or subtracting fractions with different denominators. They...
Brian McLogan
Find the derivative of the reciprocal function using the difference quotient
👉 Learn how to evaluate the limit of a function using the difference quotient formula. The difference quotient is a measure of the average rate of change of the function over an interval, h. The limit of the difference quotient gives the...
Brian McLogan
Determining the resultant vector from adding two vectors
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Let's Tute
Solving Pair of Linear Equations using Algebraic Method: Elimination Method
In this video, the teacher explains how to solve pairs of linear equations using algebraic methods, specifically the elimination method. They provide examples and explain how to decide whether to add or subtract the equations based on...
Brian McLogan
Add subtract complex rational numbers
In this videos series I show you how to add and subtract complex rational numbers. Just like any rational numbers we need to have the denominators equal. So for these problems we work on finding the least common denominator and then...
FuseSchool
Algebraic Fractions
Algebraic fractions are simply fractions with algebraic expressions either on the top, bottom or both. We treat them in the same way as we would numerical fractions. In this video we look at how to simplify algebraic fractions, and how...
Brian McLogan
How to subtract two linear functions then determine the domain
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Brian McLogan
How do we add and subtract rational expressions
Learn how to add/subtract rational expressions with monomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
FuseSchool
Standard Form Calculations
In this video we are going to look at how to do calculations with standard form. When adding and subtracting numbers in standard form, we need to write the numbers out into ordinary numbers, do the sum and then turn the answer back into...
Brian McLogan
Subtract two quadratic equations to determine the domain
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Brian McLogan
Learn how to subtract two vectors graphically
Learn how to add/subtract vectors. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we simply add each of the corresponding components of the vectors.
Brian McLogan
Graph the equation of the ellipse when given the center is at the origin
Learn how to graph horizontal ellipse centered at the origin. A horizontal ellipse is an ellipse which major axis is horizontal. To graph a horizontal ellipse, we first identify some of the properties of the ellipse including the major...
Brian McLogan
Learn how to find the angle of a vector not in component form
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Why U
Pre-Algebra 14 - Creating Common Denominators
Addition and subtraction of fractions with different denominators requires creating a "common" denominator. Using the number line, this mysterious process can be easily visualized.
Brian McLogan
Completing the square to identify the vertex, focus and directrix of a parabola in conic
Learn how to graph a parabola in when it is given in general form. To graph a parabola in conic sections we will need to convert the equation from general form to standard form by completing the square. Once it is in standard form we can...
Brian McLogan
Learn how to add, subtract, multiply and divide two fractions, 3/4 + 2/3
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Brian McLogan
Find the unit vector with the same direction as another vector given
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
KnowMo
Subtracting Mixed Numbers: Two Methods
The video is a lecture on how to subtract mixed numbers. The instructor presents two different methods for subtracting mixed numbers and walks through an example using both methods. The first method involves separating the whole number...
Curated Video
Subtracting Polynomials: Using Signed Number Operations and Combining Like Terms
In this lesson, students will learn how to subtract polynomials by combining like terms and using the rules of signed number operations. They will understand the importance of lining up terms by degree and subtracting each term...