Brian McLogan
Solve a System of Equations by Using Elimination of Multiplying
👉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...
Curated Video
Multiplying Whole Numbers by Powers of 10 Using Place Value
In this video, students learn how to multiply whole numbers by powers of 10 using their understanding of place value. They are shown how to break apart numbers based on their place value to make the computation easier.
Curated Video
Creating Equations for Exponential Growth: Geometric Sequences
In this lesson, students will learn how to create an equation for exponential growth using a geometric sequence. They will understand the concept of an initial value and a common ratio, and how they contribute to the exponential growth....
Curated Video
Understanding Rational Numbers through Division with Integers
In this video, the teacher explains that when dividing two integers, the result will always be a rational number. They review the concept of integers and rational numbers and show examples of division problems with integers resulting in...
KnowMo
Multiplication of Vectors: Understanding Scalars and Vector Notation
This video is a lecture presentation on the topic of multiplication of vectors. The presenter starts by defining what vectors are and how they are represented using vector notation. The video then goes on to explain how multiplication...
Curated Video
Introduction to Scientific Notation: Writing and Converting Very Small Numbers
In this video, the teacher explains how to write very small numbers using scientific notation. They cover the concept of positive and negative exponents and demonstrate how to move the decimal point to the right or left accordingly. The...
Brian McLogan
Verifying a trigonometric Identities
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
How to analyze a quadratic function to graph
👉 Learn the basics to understanding graphing quadratics. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Curated Video
Dividing Integers Using Inverse Operations
In this video, the teacher explains how to divide integers using inverse operations. They review the concept of inverse operations for addition and subtraction, as well as multiplication and division. The teacher then demonstrates how to...
Brian McLogan
Learn how to multiply rational exponents
👉 Learn how to multiply with rational powers. To multiply two or more numbers/expressions with rational exponents, we apply the basic rules of exponents. If the two numbers/expressions are the same, we simply take one of the number and...
Brian McLogan
Math tutorial for simplifying complex fractions
👉 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...
Why U
Algebra 80 - Multiplication with Complex Numbers
Multiplying a complex number by another complex number is accomplished using the distributive property to multiply the real and imaginary parts of the first number by the real and imaginary parts of the second number. In this lecture we...
Brian McLogan
Dividing two fractions by multiplying by a reciprocal
👉 Learn how to divide fractions. To divide two fractions, we multiply the first fraction by the reciprocal of the second fraction. (The reciprocal of a fraction is swapping the positions of the numerator and the denominator). It is...
KnowMo
Cross Multiplying: Solving Advanced Linear Equations
This video is a lecture presentation on cross multiplying in more advanced linear equations. The presenter explains how to deal with fractional parts of equations by using cross multiplication to move terms from one side of the equation...
Why U
Algebra 65 - Creating Quadratic Expressions using the FOIL method
Quadratic expressions may be created by multiplying two linear binomial expressions together. A common procedure for multiplying two binomial expressions is referred to as the "FOIL" method. FOIL is an acronym whose letters stand for the...
Brian McLogan
Applying the 4 operations to function then determining the domain
👉 Learn how to apply operations to functions such as adding, subtracting, multiplying, and dividing to two functions. To add/subtract/multiply or divide two functions, we algebraically add/subtract/multiply or add the rules (contents) of...