Brian McLogan
Solve a quadratic by applying the square root method
๐Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Brian McLogan
How do you solve a quadratic using various methods
๐Learn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Brian McLogan
Solving and graphing a one variable inequality with variable on both sides
๐ Learn how to solve multi-step linear inequalities having no parenthesis. An inequality is a statement in which one value is not equal to the other value. An inequality is linear when the highest exponent in its variable(s) is 1. (i.e....
Brian McLogan
Why do we need to know translating sentences
๐ 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,...
Curated Video
Identifying Real and Complex Roots of Quadratic Equations
In this video, the teacher explains how to identify whether a quadratic equation has real or complex roots without actually solving it. The concept of the discriminant is introduced and its role in determining the number and type of...
Brian McLogan
How to add and subtract three radicals, square root
๐ Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
What is the zero product property
๐Learn how to solve quadratic equations by factoring. We will focus on factoring special techniques such as the zero product property, difference of two squares, box method and guess and check. Once we have factored the quadratic...
Brian McLogan
How to factor and solve a trinomial when it is not set to zero
๐Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
Solving a System Using Elimination and Adding
๐Learn 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 how to solve an compound inequality in two different ways
๐ Learn how to solve and graph compound linear inequalities. A compound inequality is an inequality having more than 1 inequality sign. To solve compound inequalities, we use inverse operations, applying the inverse operation to each...
Brian McLogan
How to solve an equation using the addition property of equality
๐ Learn how to solve a one step equation. An equation is a statement stating that two values are equal. A one step equation is an equation whose solution can be obtained by performing only one step of operation on the equation. To solve...
Brian McLogan
What is the relationship of lengths for two secant lines from a point outside of a circle
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Brian McLogan
How to use the long division to help you divide two numbers, the long way
๐ In this video series you will learn how to divide integers. We will discuss basic division and then move to division using long division. Integers will be single digit as well as multi-digit problems. When a number the divisor does not...
Brian McLogan
What do I need to know to solve a quadratic by the quadratic formula
๐ Learn all about the quadratic formula. The quadratic formula is a formula which can be used to find the roots of (solve) a quadratic equation. The quadratic formula is given by x = (-b +/- sqrt(b^2 - 4ac)) / 2a, where a is the...
Flipping Physics
Balloon Excess Charges Experiment
Two 0.0018 kg balloons each have approximately equal magnitude excess charges and hang as shown. If ฮธ = 21ยฐ and L = 0.39 m, what is the average number of excess charges on each balloon?
Brian McLogan
What you need to know | Functions
In this video I walk through some of the basic problems that you will want to know and remember BEFORE entering pre-calculus. "Most" pre-calculus classes start with a chapter or section on functions and while this video does not cover...
Brian McLogan
Learn how to expand a logarithmic expression and use parenthesis and brackets
๐ 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...
Packt
Problem Solving Approach
This video focuses on the problem-solving approach. This clip is from the chapter "Implementations and Interview Questions" of the series "Data Structures and Algorithms: The Complete Masterclass".This section focuses on implementations...
Brian McLogan
Solving a quadratic by factoring but first setting equal to zero
๐Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Brian McLogan
Solving and graphing a one variable inequality
๐ Learn how to solve multi-step linear inequalities having no parenthesis. An inequality is a statement in which one value is not equal to the other value. An inequality is linear when the highest exponent in its variable(s) is 1. (i.e....
Brian McLogan
What do you need to know to solve one step equations
๐ 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...
Brian McLogan
Graphing the exponential function with transformations
๐ Learn how to graph exponential functions involving vertical shift. An exponential function is a function that increases rapidly as the value of x increases. To graph an exponential function, it is usually very useful to make the table...
Brian McLogan
Solving an exponential equation with negative exponents
๐ Learn how to solve exponential equations involving fractions. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we make the base of both sides of the equation to be...
Brian McLogan
Learn how to use one to one property of logarithms to solve an equation
๐ 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...