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)...
Brian McLogan
Finding the slope using two points given on a graph
👉 Learn how to find the slope between two points. The slope of a line is the steepness of the line. The horizontal line has a zero slope while the vertical line has an undefined slope. To determine the slope of a line passing through two...
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
How to determine the slope of a line using slope triangle
👉 Learn how to find the rate of change from graph. The rate of change is the rate at which y-values are changing with respect to the change in x-values. To determine the rate of change from a graph, a right triangle is drawn on the graph...
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...
Brian McLogan
Algebra 2 - Determining direct variation from a table
In this video I will show you how to use direct variation to help determine the missing variable, as well as how to determine if an equation is an example of direct variation or not. For an equation to be an example of direct variation...
msvgo
Instantaneous velocity and instantaneous speed
This nugget explains about the instantaneous velocity and speed with graphical representation.
Brian McLogan
How to find the acceleration at a given time from the velocity graph
👉 Learn how to solve particle motion problems. Particle motion problems are usually modeled using functions. Now, when the function modeling the position of the particle is given with respect to the time, we find the speed function of...
Brian McLogan
Math tutorial for graphing a two variable inequality
👉 Learn how to graph linear inequalities written in standard 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 broken...
Catalyst University
Calculating Activation Energy on Excel (from Arrhenius Equation)
Calculating Activation Energy on Excel (from Arrhenius Equation)
Curated Video
Scatter Plots and Lines of Fit
In this video lesson, students will learn about scatter plots and lines of fit. They will learn how to interpret scatter plots, identify types of correlation between data sets, and write, interpret, and use lines of fit to model data....
Brian McLogan
Graph a linear equation by first rewriting it from standard form to slope intercept form
👉 Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is...
Flipping Physics
Understanding Instantaneous and Average Velocity using a Graph
Students often get confused by the difference between Instantaneous and Average. In this video we use a graph to compare and understand the two different concepts.
Brian McLogan
How to write a piecewise function from a given graph - Homework help online
👉 Learn how to write the piecewise function given the graph. A piecewise function is a function having different rules/equations for different intervals. When interpreting the graph of a piecewise function, we take note of the arrows the...
Curated Video
Constructing Linear Functions from Graphs
In this video, we explain the different ways a linear function can be represented and focus on the components of the equation y = mx + b. We demonstrate how to find the y-intercept (b) and the slope (m) by using rise over run. The...
Curated Video
Finding the Least Squares Regression Equation
In this video, the teacher explains how to find the least squares regression equation using technology. They demonstrate two methods: using an Excel spreadsheet and using a calculator with statistics features.
Curated Video
Graphing Linear Functions Using a Point and Slope
This video explains how to graph a line using a point on the line and the slope of the line. The concept of function notation and slope is reviewed. This method is applied to estimate the time it will take to travel a certain distance in...
Brian McLogan
Maximizing the objective function using linear programming
Learn how to solve problems using linear programming. A linear programming problem involves finding the maximum or minimum value of an equation, called the objective functions, subject to a system of inequalities, called the constraints....
Curated Video
Comparing Distance-Time Graphs and Equations
Through examples and practice, students will gain the ability to identify the fastest rate of travel based on distance time representations. They will understand that linear functions can be represented in different ways such as...
Curated Video
Making Predictions with Lines of Fit
In this video, the teacher explains how to find lines of fit and use them to make predictions based on data. The lesson includes examples and tips for drawing the best fit line and finding the slope and Y-intercept of the line. Students...
Brian McLogan
How to determine what m and b are in y = mx + b
In this video series I show you how to write an equation either in standard form or slope-intercept form. I will write equations from one form to another or when given one or two points and another equation of a line. I show how to solve...
Curated Video
Making Predictions Using the Equation for a Line of Best Fit
Learn how to make predictions using the equation for a line of best fit. Review examples of scatter plots to demonstrate how to find the slope and Y intercept, and then use these values to make predictions. This video also highlights the...
Brian McLogan
Determining if a set of points makes a parallelogram or not
👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of...