Brian McLogan
What do you need to know to write an equation in slope intercept form
👉 Learn how to write the equation of a line given points, slopes and intercepts. We will work on writing the equation of a line in slope intercept form and standard form as well as writing the equation of a line parallela and...
Brian McLogan
Find the oblique asymptote and x and y intercepts of rational function
👉 Learn how to find the slant/oblique asymptotes of a function. A slant (oblique) asymptote usually occurs when the degree of the polynomial in the numerator is higher than the degree of the polynomial in the denominator. To find the...
Brian McLogan
Composition of inverses using a triangle with variables
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Curated Video
Open Differential Explained
Learn how an open differential works, the main parts and why we use them in this video on open differential explained
Curated Video
Find an Equivalent Rate
In this short math video we will answer a standardized math test question where we are given a rate and asked to find an equivalent rate. We will first identify what we are being asked to solve. Then, we will identify the rate given in...
Curated Video
Identifying Real World Ratios
In this short math video we will answer a standardized math test question where we are asked to identify ratios that represent a real world situation. We will identify two correct statements from a list of five. We will review how to...
Brian McLogan
Find the Measure of Theta when Given the Value of Tangent
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Brian McLogan
What is the horizontal asymptote test
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Curated Video
Write a Proportion to Solve a Problem
In this short video, we will solve a standardized test question by writing a proportion. We will identify key terms and review proportional relationships.
Curated Video
Slope from Two Points
This video lesson will explain the formula for slope and how to use it to find the slope using two points. Student practice is embedded and solutions are modeled. Students will be introduced to lines with a slope of zero and an undefined...
Professor Dave Explains
IIT/JEE Chemistry Practice #21: Properties of Gases
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #2: Molar Mass/Stoichiometry
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
IIT/JEE Chemistry Practice #10: Gas Stoichiometry
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Curated Video
How to Write a Ratio
In this short video we will write a ratio based on a real world situation.
Curated Video
Using Ratio Tables to Solve Problems
In this video, the teacher explains how to solve ratio problems using a ratio table. The example given is about determining the number of blue cars in a parking lot based on a given percentage. The teacher demonstrates how to fill out...
JJ Medicine
Hedgehog Signaling Pathway in Invertebrates | Mechanism and Role in Development
Introductory lesson on the Hedgehog Signalling Pathway in Invertebrates. The Hedgehog signaling pathway is important in embryological development of both invertebrates and vertebrates. Hedgehog proteins facilitate the activation of the...
Brian McLogan
Find the missing side of a oblique triangle using law of sines
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Curated Video
How to Find Rate
In this short video, we will solve a standardized test question about finding rate in miles per hour. We will learn that rate is a ratio. A ratio that is divided will become a unit rate or miles per one hour.
Professor Dave Explains
Practice Problem: Henderson-Hasselbalch Equation Calculations
David Hasslehoff did chemistry?! No wait, Hasselbalch. And Henderson. Anyway there's this equation, and it relates the pH of a buffer solution to the pKa of the acid and the ratio of the concentrations of the acid and conjugate base....
Professor Dave Explains
IIT/JEE Chemistry Practice #8: Molecular Formulas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Curated Video
Ratios: Proportion and Rates of Change
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1H Q2, which covers proportions and rates of change in ratios. In the problem, learners are required to work out the number of adults in a group,...
Curated Video
Strategies for Solving Ratio Problems
Explore five different strategies for solving ratio problems. The strategies include using tables with addition or multiplication, double number lines, tape diagrams, and graphing. The teacher emphasizes that there is no one right way to...
Brian McLogan
What are the six trigonometric functions
Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter and section. The purpose of posting my free video tutorials is to not only help students but allow teachers the resources to flip...
Professor Dave Explains
Practice Problem: Naming Ionic Compounds
We know about ionic bonds and ionic compounds, how do we name them? Let's practice going from formula to name, and also from name to formula.