Brian McLogan
How to use long division for dividing two polynomials
π Learn how to divide polynomials by quadratic divisors using the long division algorithm. Before dividing a polynomial, it is usually important to arrange the divisor in the descending order of powers of the variable(s). To divide a...
Brian McLogan
Math tutorial for how to use and apply the rational zero test
π Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Brian McLogan
How to use and apply Descartes Rule of signs
π Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
Brian McLogan
How to subtract the cube root of two numbers by simplifying first
π 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
Learn the process to simplifying and dividing rational expressions
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...
Brian McLogan
Learning how to simplify an exponent raised to a rational power
Learn how to evaluate numbers raised to rational powers. When given a number raised to a rational power, we take the nth root of the number where n is the number in the denominator of the rational power, then we raise the result to a...
Curated Video
Java Programming for Complete Beginners - Java 16 - Step 03 - Break Down Multiplication Table Challenge
This video talks about breaking down multiplication table challenge. This clip is from the chapter "Introduction to Java Programming with JShell Using Multiplication Table" of the series "Java Programming for Complete Beginners - Java...
Brian McLogan
How to graph a rational function using 6 steps
π Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and...
Brian McLogan
How to determine the solution of a system of equations by graphing
πTo solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
Brian McLogan
How to solve a literal equation with multiple parenthesis
In this video tutorial I will show you how to solve a linear equation by using the inverse operations to isolate the variable. When doing this we will learn how a(y + c) = b(y - c); y
Brian McLogan
How to divide using synthetic division and write your remainder over your divisor
π Learn about dividing by synthetic division when the divisor is a fraction. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Brian McLogan
Find the Value of the Composition of Two Functions
Learn how to compose two linear functions. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of one of the functions with the value of the...
Brian McLogan
Algebra 1 - Graphing an inequalty when your variable is on the right side - Math Help
In this video series I show you how to graph linear inequalities. When graphing linear inequalities we now have to account for two variables. We graph linear inequalities using the same process as linear equations. We then use shading to...
Brian McLogan
Why do you have to flip the sign of an inequality when multiplying by a negative number
In this video you will learn how to solve and graph inequalities. When solving inequalities you will use the same inverse operations as solving equations. The difference will be when you multiply or divide by negative numbers you switch...
Brian McLogan
Solving Rational Equations
π Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Brian McLogan
10% Students Solve This Trig Equation Wrong (Including me!)
Once you have a solid idea for how to solve trigonometric equations it is time for a challenge. A problem that will test you knowledge and ability to apply algebraic concepts to trigonometric equations. This problem does exactly that.
Brian McLogan
What you need to know: Conic Sections
In this video I attempt to prepare you for our chapter on Conic Sections. We will do this by first covering completing the square and then identifying the midpoint as well as endpoint when given two points. We will then work on writing...
Brian McLogan
Solve a rational equation with the quadratic formula
π Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Brian McLogan
Master determining the reference angle from a given angle
Master determining the reference angle from a given angle
Brian McLogan
Student mistakes with solving SYSTEM OF EQUATIONS
There are a lot of ways that students can make mistakes when solving a system of equations but in this video I am going to focus on the common mistakes students make.
Brian McLogan
Pre-Calculus - How to evaluate a logarithm using the change of base formula, 1.06^x = 4.1
π Learn how to evaluate logarithms using a change of base formula. The change of base formula states that when we have a log of a to the base of b, we can evaluate the logarithm by using a common base for both a and b as follows: log of...
Brian McLogan
Isolating The Absolute Value Symbol To Solve the Equation
Learn how to solve absolute value equations with multiple steps. Absolute value of a number is the positive value of the number. For instance, the absolute value of 2 is 2 and the absolute value of -2 is also 2. To solve an absolute...
Brian McLogan
Tutorial - Promo Course Solving Trigonometric Equations Intro
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Solving an Absolute Value Equation with Two Solutions
Lean how to solve absolute value equations. Absolute value of a number is the positive value of the number. For instance, the absolute value of 2 is 2 and the absolute value of -2 is also 2. To solve an absolute value equations we need...