Brian McLogan
Evaluating an expression with 3 terms, Given a=12, b=9 and c=4. Find (b^2 -2c^2)/(a+c-b)
π Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
Find the area of an oblique triangle - Online tutor - Free Math Videos
π Learn how to find the area and perimeter of triangles. A triangle is a shape of three sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the measure of the outline enclosing...
Academic English Help
IELTS Speaking Band 9 You vs Rima from Tunisia - Master Class and Strategy
An IELTS speaking practice with you and compared to band 9 Rima without a mask.This video gives a unique practice session with subtitles as well as a sample interview between a band 9 candidate from Tunisia, Rima, and the examiners. In...
Brian McLogan
Evaluate for the sine of an angle using the sum of two angles
π Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...
Brian McLogan
Using arc length formula to find the values for a circle
π Learn how to solve problems with arc lengths. You will learn how to find the arc length of a sector, the angle of a sector, or the radius of a circle. An arc of a circle is the curve between a pair of points on the circumference of the...
Brian McLogan
Master How to apply the dot product between two vectors
Master How to apply the dot product between two vectors
Brian McLogan
Master Graphing Horizontal and Vertical Lines
Master Graphing Horizontal and Vertical Lines
Brian McLogan
What is the parent graph of the absolute value graph
π Learn about graphing absolute value equations. An absolute value equation is an equation having the absolute value sign and the value of the equation is always positive. The graph of the parent function of an absolute value equation is...
Brian McLogan
Using factoring to divide two rational expression
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
Tutorial - What are the different correlations for a scatter plot
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
Tutorial - Promo for Polygons
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
Determining if two angles are adjacent or not
π Learn how to define and classify different angles based on their characteristics and relationships are given a diagram. The different types of angles that we will discuss will be acute, obtuse, right, adjacent, vertical, supplementary,...
Brian McLogan
Master Solving a multi step equation with the variable on opposite sides
Master Solving a multi step equation with the variable on opposite sides
Brian McLogan
Master Verifying an identity using the double angle formulas
Master Verifying an identity using the double angle formulas
Brian McLogan
How to label the sides of an angle
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Brian McLogan
How to apply descartes rule of signs to find all positive & negative zeros of a polynomial
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 does the remainder theorem work with polynomials
π Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Visual Learning Systems
Tools for Repairing and Making
In this video, we explore the variety of tools used by scientists, engineers, and medical workers to fix, repair, and create. From heavy equipment like cranes used to lift buildings, to robotic tools utilized in hard-to-reach places, and...
Flipping Physics
Introductory Newton's 2nd Law Example Problem and Demonstration
This video could also be called "Finding the Force of Friction between a Dynamics Cart and Trackβ because we use Newtonβs Second Law to analyze a demonstration and show how negligible the force of friction really is.
Brian McLogan
What do I need to know to solve a quadratic by the square root method
πLearn 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
Using trig identities to verify an identity
π Learn how to verify trigonometric identities involving the addition and subtraction of terms. To do this it is usually useful to convert the addition or subtraction terms in terms of one trigonometric function and then evaluate....
Brian McLogan
Simplifying an expression by applying the power rule of exponents
π Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Brian McLogan
Applying the product rule of exponents to three monomials
π Learn how to simplify expressions using the product rule of exponents. The product rule of exponents states that the product of powers with a common base is equivalent to a power with the common base and an exponent which is the sum of...
Brian McLogan
Learn the basics of how to factor a trinomial without doing a problem
πLearn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...