Curated Video
Double Division: Calculating Division Problems with Three Digit Divisors
In this lesson, we learned how to use double division to solve division problems with three-digit divisors. By finding products that are less than or equal to the leading digits of the dividend, we can break down the division problem...
The Business Professor
Ch8. Video 11 - Declining-Balance Method example
Declining-Balance Method example
Brian McLogan
How to solve logarithmic equations
👉 Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Brian McLogan
How to use steps to solve for two step equations
👉 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
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...
Curated Video
Comparing Probabilities: Union and Intersection of Events
This video, the teacher explains the concept of union and intersection using the example of a lucky envelope game. They use Venn diagrams and a two-way table to visually represent the probabilities and emphasizes that the probability of...
Curated Video
Introduction to Moments and the Principle of Moments
This video is a lecture on moments and the principle of moments. It explains how to calculate the moments of forces and how to determine whether an object is balanced or unbalanced based on the principle of moments. The video includes...
Curated Video
Understanding Equations with No Solutions
In this video, the teacher explains what to do when an equation doesn't have a valid solution. They demonstrate how to solve equations step by step and how to check if the obtained solution is correct.
FuseSchool
Simultaneous Equations By Elimination
In this video we are going to discover what simultaneous equations are, and how to solve them. Simultaneous equations are two or more equations with two or more unknowns. They are called simultaneous because they must be solved at the...
Brian McLogan
How to find the number of standard deviations that it takes to represent all the data
👉 Learn how to find the variance and standard deviation of a set of data. The variance of a set of data is a measure of spread/variation which measures how far a set of numbers is spread out from their average value. The standard...
Brian McLogan
Evaluate the sum of two angles with cosine
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
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...
Brian McLogan
Learn how to write an algebraic proof
👉 Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
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...
Brian McLogan
Given a Irrational Factor | Find All the Zeros of the Polynomials
👉 Learn how to find all the zeros of a polynomial given one irrational zero. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a...
Brian McLogan
Find the difference of two quadratic equations to find 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 to find the slope of two line using slope formula
👉 Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
KnowMo
Introduction to Addition and Subtraction of Vectors
This video is a lecture presentation on the addition and subtraction of vectors. The presenter begins by defining what vectors are and how they are represented in notation. The video then demonstrates how to add and subtract vectors...
Brian McLogan
Solving a logarithmic equation for x using factoring
👉 Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Brian McLogan
Write the equation in standard form by completing the square to find vertex, focus and directrix
Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be horizontal if it opens to the left or opens to the right. A horizontal parabola results from a quadratic...
Brian McLogan
Find the values a and b that make the piecewise function continuous
👉 Learn how to find the value that makes a function continuos. A function is said to be continous if two conditions are met. They are: the limit of the function exist and that the value of the function at the point of continuity is...
Brian McLogan
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
What does it mean to isolate a variable
👉 Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...