Brian McLogan
Write the equation of a line through a point perpendicular to another equation
👉 Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various...
Curated Video
Sketch and Factorize Cubic Functions
The video is a lecture presentation on sketching and factorizing cubic functions. The speaker explains the general shape of a cubic function and key trends to know such as three roots, two roots, and one root. The speaker also...
Brian McLogan
Solve system of equations by graphing with a fraction at intersection
👉To 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
ACT SAT Prep How to determine if a point lies on a line
ACT SAT Prep How to determine if a point lies on a line
Curated Video
Solving Systems of Equations by Linear Combination
This video explains how to solve systems of equations using linear combination, also known as elimination. It demonstrates the process step-by-step and provides examples to help students understand the concept.
Brian McLogan
What is a linear equation
👉 Learn about graphing linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. i.e. linear equations has no exponents on their variables. The graph of a linear equation is a straight line. To...
Curated Video
Modeling Exponential Decay: Using Tables and Function Notation
In this lesson, students will learn how to model exponential decay using a table of values and function notation. They will understand the difference between linear functions and exponential decay functions, and how the decay factor...
Brian McLogan
Summary for graph a linear inequality
👉 Learn how to graph linear inequalities. 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 broken line (dashes) is used...
Math Fortress
Calculus III: Three Dimensional Coordinate Systems (Level 3 of 10)
This video continues the exploration of a three dimensional Cartesian coordinate system. This video goes over 5 examples covering the proper way to graph equations in R cubed. Equations covered include planes, cylinder, and parabolic...
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Equation of a straight line - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
Finding the Equation of a Straight Line
This video is a lecture presentation on how to find the equation of a straight line. The presenter explains the general equation of a straight line, which is y=mx+c, and how to interpret the coefficients m and c. Different formats for...
Brian McLogan
Graphing a Sine Function with a Transformation
👉 Learn how to graph a sine function. To graph a sine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the...
Brian McLogan
Writing an equation given the slope and y intercept
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
How to solve a system of equations by graphing
👉To 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)...
Curated Video
Writing Equations for Lines of Best Fit
In this lesson, students will learn how scatter plots, lines of best fit, and equations are all connected. They will understand how to write an equation for a line of best fit by identifying the Y intercept and slope.
Brian McLogan
Graphing the Tangent Function with a Phase Shift and Reflection Over the X Axis
👉 Learn all about graphing trigonometric functions. In this playlist, we will explore how to graph the sine, cosine, tangent, cotangent, cosecant and secant function. We will explore the characteristics of each graph as well as how to...
Curated Video
Linear Modeling
What are linear models and when do we use them? Let's look at a few word problems that we need linear modeling to solve!
Curated Video
Exploring Patterns and Writing Explicit Expressions
In this video, the teacher explains how to define an explicit expression by exploring patterns. They demonstrate how to find the rate of change and initial value in linear equations, and use these values to write the explicit expression.
Brian McLogan
How to Graph a Piecewise Function and Determine Domain and Range
👉 Learn how to graph piecewise functions. A piecewise function is a function which have more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Brian McLogan
Given two points write the equation in slope intercept form ex 3
👉 Learn how to write the equation of a line given two points on the line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents on its variable(s)). There are various forms which...
Curated Video
Creating Equation Tables and Graphs from Descriptions
In this video, the teacher explains how to create an equation table and graph from a given scenario. Using the example of Joan borrowing money from her aunt to buy a car, the teacher demonstrates how to identify the slope and...
Curated Video
Interpreting Rate of Change and Y Intercept in Context
In this video, the teacher explains how to interpret the rate of change and the Y intercept in different contexts. Using examples such as an emptying pool and a traveling car, the teacher demonstrates how to understand the meaning behind...
Curated Video
Graphing Quadratic Functions in Intercept Form
This lesson will explain how to graph a quadratic function in intercept form. You will learn how to find the axis of symmetry given the intercepts and how to find the value of a to write a function.