Curated Video
Understanding the Importance of Order in Ratios
In this lesson, students will learn about the importance of order in ratios and how it affects their meaning. Through the use of diagrams and examples, they will understand that simply switching the numbers in a ratio does not make it...
Curated Video
Solving for X Using the Cotangent Ratio in Right Triangles
In this video, the teacher explains how to solve for X without using the tangent ratio. Instead, they introduce the cotangent ratio and demonstrate how it can be used to find the length of the leg adjacent to an acute angle in a right...
Curated Video
Finding Lengths in Right Triangles: Introducing the Secant Ratio
In this video, the teacher explains how to find the length of segment DG in a right triangle without using the cosine ratio. Instead, they introduce the secant ratio, which compares the length of the hypotenuse to the length of the leg...
Curated Video
Introduction to Inverse Trigonometric Functions
This video explains how to use inverse trigonometric functions to find angle measures in right triangles. It covers the definitions and properties of inverse trig functions and demonstrates their application through example problems.
Curated Video
Rewriting Fractions as Repeating Decimals Using Long Division
In this video, the teacher explains how to rewrite fractions as repeating decimals using long division. They address common misconceptions, such as assuming that a repeating decimal is not a rational number.
Curated Video
Describing Straight Lines Using Slope
In this video, the teacher explains how to describe a straight line using a unique slope. They demonstrate that similar right triangles make straight lines, and the ratio of rise to run remains constant regardless of the specific...
Brian McLogan
Determining the scale factor of the enlargement of a triangle
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Curated Video
Finding Coordinates of Points on a Straight Line Using Similar Triangles
In this video, students learn how to find the coordinates of points along a straight line using similar triangles. They are taught to set up ratios with the vertical side (rise) first and the horizontal side (run) second.
Brian McLogan
What is a reduction dilation
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Brian McLogan
Graphing a linear inequality less than or equal to
👉 Learn how to graph linear inequalities written in slope-intercept form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also...
Brian McLogan
Evaluate the limit to infinity with ha asymptote
👉 Learn how to evaluate the limit of a function involving rational expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The...
Curated Video
Making a Straight Line with Right Triangles
In this video, the teacher explains why only some right triangle hypotenuses combine to make a straight line. They demonstrate that when the ratios of the sides of two right triangles are equal, they can be placed together to form a...
Healthcare Triage
Are Beta-Blockers Useful in the Elderly after a Heart Attack?
Should we use beta-blockers in the elderly after they have a heart attack? It just got more complicated. This is Healthcare Triage News.
Curated Video
What Is A Decibel? Can 'Negative' Decibels Exist?
The decibel is used to measure sound levels. It is represented by dB and is widely used in signals, communication, and electronics. The term decibel can be used to express an absolute value or a change in value (+1 dB or -1 dB). Decibels...
Curated Video
Deriving the Equation Y = MX Using Similar Triangles
In this video, the teacher explains the concept of Y equals MX and where it comes from. They use the idea of similar triangles to derive the equation. The lesson emphasizes that the equation represents a line passing through the origin...
Zach Star
The Math I Used In My First Year as a Full Time Engineer
In my first year as an engineer I used more math than most engineers probably do to begin, but it was also much less than I was doing in school. As someone who enjoys math I was curious how much I would see in engineering during college...
Two Minute Music Theory
The Math of Music - TWO MINUTE MUSIC THEORY #32
Did you know that all musical intervals can be expressed using some basic math? Today we talk about some of that math.
Brian McLogan
Graphing a linear inequality using slope intercept form
👉 Learn how to graph linear inequalities written in slope-intercept form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also...
Why U
Pre-Algebra 32 - Irrational Numbers
Although the Greeks initially thought all numeric qualities could be represented by the ratio of two integers, i.e. rational numbers, we now know that not all numbers are rational. How do we know this?
msvgo
Importance of chemistry
It explains various uses of the branch chemistry in the various fields.
Curated Video
Understanding Liquidity Ratios in Financial Analysis
The video focuses on the concept of liquidity and its importance in financial ratio analysis. It explains how businesses measure liquidity and the significance of liquidity ratios in determining the financial stability and health of a...
Curated Video
Finding Missing Measures in Triangles
In this video, the teacher explains how to find missing measures in triangles using congruence and similarity criteria. They cover different congruence criteria, such as side-side-side and angle-side-angle, as well as similarity criteria...
Curated Video
Using the Cosine Ratio in Right Triangles
In this video, the teacher explains how to use the cosine ratio to find the length of a ladder needed to climb to a roof at a specific angle. By comparing the ratios of the side adjacent to the angle and the hypotenuse in a right...
Curated Video
Simplifying Ratios: Finding Patterns in a Picture
In this video, the teacher explains how to simplify ratios by finding patterns in a picture. Using the example of Eddie baking cookies with four cups of chocolate chips and eight cups of sugar, the teacher demonstrates how to describe...