Brian McLogan
Simplifying a radical expression when the radicand is a rational expression
π Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first express the rational expression as the square root of the numerator divided by the square root of the denominator....
Curated Video
Understanding the Decrease in Value When Dividing by Powers of 10
In this lesson, students will learn how dividing by a power of 10 decreases the value of each digit. By understanding patterns in place value, they will see that when dividing a number by a power of 10, the decimal point shifts one place...
Curated Video
Solving Multistep Problems Using Diagrams
In this lesson, students learn how to solve multistep problems involving positive and negative whole numbers by using diagrams. The teacher emphasizes the importance of reading and comprehending the problem before attempting to solve it....
Curated Video
Dividing with Expanded Notation
In this video, the teacher explains how to divide using expanded notation. They provide examples and guide students through the process of breaking down challenging problems into smaller parts.
Brian McLogan
Write a point in rectangular form to polar form
Learn how to convert points between rectangular and polar. Rectangular points measure the horizontal and vertical distance away from the origin whereas polar coordinates measure the direct distance and angle in standard position from the...
Brian McLogan
what are some of the verbal clues for addition, subtraction, multiplication and division
π Learn how to add and subtract polynomials by either using the vertical or horizontal method.
Brian McLogan
Pre-Calculus - Subtraction of two functions f(x) = 2x -5 , g(x) = 2-x
π 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 Simplify the Square Root of a Large Number, Sqrt(128)
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
Dividing Rational Expressions
π Learn how to simplify expressions by dividing its terms. Remember that dividing a fraction is the same as multiplying by the reciprocal. When multiplying expressions, each individual term of the expression is multiplied to its like...
Brian McLogan
Find the roots of a quadratic using the quadratic formula
π Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Brian McLogan
Use substitution to solve a system of equations with variables n and m
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
Learn how to solve a system of equations by substitution
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
How to graph the system of linear inequalities using slope intercept form
π Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...
Brian McLogan
Determining the Solution of a System of Equations by Using the Elimination Method
πLearn 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
Learning to solve a simple two step equation
π Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Brian McLogan
Given an angle bisector find the missing length of similar triangles
π Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Brian McLogan
Learn how to multiply a three digit decimal to a two digit decimal
π You will learn how to multiply numbers in decimal form. We will work with decimals that are greater and less than one. When multiplying decimals it is important to line up the decimal point so that you keep the place values of the...
Brian McLogan
Adding fractions with like denominators - math homework answers
π Learn how to add or subtract fractions with common denominators. When adding or subtracting two or more fractions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then...
Curated Video
Python 3: Project-based Python, Algorithms, Data Structures - Complete merge sort algorithm and analyze updated execution context
Add functions to analyze and implement time analysis functionality This clip is from the chapter "Algorithms - Sort, performance, complexity and big O notation" of the series "Python 3: Project-based Python, Algorithms, Data...
Flipping Physics
Defining Pi for Physics
Pi is defined as the ratio of the circumference of a circle to its diameter. A frisbee is used to show the definition of pi. The units for pi, radians, are discussed. The conversion factor between revolutions, degrees, and radians is...
Brian McLogan
Learn how to divide a fraction from a mixed number
π Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...
Brian McLogan
Fiverr Einstein Promotion Take 2 - cool math
Fiverr Einstein Promotion Take 2 - cool math
Brian McLogan
Find the partial sum of the geometric series
π Learn how to find the geometric sum of a series. A series is the sum of the terms of a sequence. A geometric series is the sum of the terms of a geometric sequence. The formula for the sum of n terms of a geometric sequence is given by...