Brian McLogan
Solving an equation by combining like terms
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Professor Dave Explains
Introduction to Linear Algebra: Systems of Linear Equations
An introduction to linear algebra.
Brian McLogan
Graphing linear equations in standard 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...
Brian McLogan
How to put a linear equation into standard form and then find the x and y intercepts
👉 In this playlist you will learn how to graph a linear equation in standard form, slope intercept form as well as when the slope and y intercept are provided. In addition to graphing linear equations we will also learn how to determine...
Curated Video
Solving Linear Equations: Making a Table and Graphing the Solutions
This video teaches how to solve linear equations in two variables by creating a table and graphing the solutions. It explains the concept of variables, equations, and solutions, and provides examples of finding solutions and graphing...
Curated Video
Find Line of Best Fit Using Point-Slope Form
In this video, you will learn how to determine the line of best fit for a scatter plot by using point slope form. The video explains the concept of scatter plots and how they are used to analyze patterns in bivariate data. It also...
Let's Tute
Pair of Linear Equations: Coincident Equations
In this video, the teacher explains the concept of coincident pair of linear equations using examples and graphs. Coincident linear equations are those that have infinite solutions, and they are dependent on each other. The video...
Curated Video
Converting Linear Equations to Slope-Intercept Form
In this video, students will learn how to change a linear equation from standard form to slope-intercept form by solving for y. The video also highlights common mistakes to avoid, such as forgetting to include the coefficient of y or...
Why U
Algebra 20 - Slope-Intercept Form
Linear equations of the form y = mx+b can describe any non-vertical line in the Cartesian plane. The constant m determines the line's slope, and the constant b determines the y intercept and thus the line's vertical position.
Curated Video
Linear and Quadratic Expressions and Equations: Understanding the Difference
In this video, the teacher explains the difference between linear and quadratic equations and how to model different situations using each. They provide examples of linear expressions and equations, as well as quadratic expressions and...
Curated Video
Constructing Linear Functions: Defining Equations
Learn how to define a linear function by constructing an equation. The concept of initial value and rate of change is introduced, and the pattern of steps to determine the output based on the input is demonstrated. The equation Y = MX +...
Curated Video
Writing Quadratic Equations from Patterns in Tables
In this video, you will learn how to write quadratic equations by finding patterns in a table of data. The video covers topics such as linear equations, slope-intercept form, elimination method, and the general form of a quadratic function.
Curated Video
Finding and Analyzing Linear Equations with Slope and Y-Intercept
This video explains how to use a linear model to find the slope and y-intercept of a line. It demonstrates how to calculate the slope using the slope formula and analyze the direction of the line. It also shows how to find points on the...
Curated Video
Graphing Lines in Slope Intercept Form
In this video, mathematicians will learn how to graph lines in slope-intercept form by identifying the slope and y-intercept. The video explains the concepts of slope and y-intercept, and demonstrates how to plot points and connect them...
Curated Video
Identifying Linear and Nonlinear Graphs and Equations
In this lesson, students are introduced to the concept of linear functions, which create straight lines, and nonlinear functions, which do not. The lesson covers different ways to write linear equations, such as the slope-intercept form...
Khan Academy
Algebra: Linear Equations 4
This is a lesson in solving linear equations. More specifically, students will see how to solve an equation with a variable expression in the denominator of a fraction.
Curated OER
What are Perpendicular Lines?
By definition, perpendicular lines intersect and form a 90 degree right angle. Want to know how to determine if lines are perpendicular based on two linear equations? Check out their slope values. Are they negative reciprocals? Does...
Curated OER
How Do You Find the Slope of a Line If You Have a Perpendicular Line?
What kind of lines have slopes that are the opposite reciprocal of each other? Parallel lines? No. Parabolas? No. Perpendicular lines? Yes! Watch and listen as the instructor demonstrates how to make these determinations about...
Curated OER
How Do You Find the Slope of a Line from a Graph?
Given a line on a graph, what's the slope of this line? First, identify two points on the given line. Then, use a formula to find the change in y and then the change in x. This will be represented by rise over run. Watch this video to...
Curated OER
How Do You Use Point-Slope Form to Write an Equation from a Table?
Given a table of x and y values, is it possible to write a linear equation from this information? There will be several steps involved. First is to use the point-slope formula to find a slope. Then use that slope and one of the ordered...
Curated OER
How Do You Graph a Great Than Inequality on the Coordinate Plane?
Do you know how to graph a linear equation? If you do then graphing an inequality will not be a problem for you. There are a couple of differences: is the line solid or dashed, and which half plane do you have to shade. Watch this video...
Curated OER
What's the X-Intercept?
In a linear equation, the x-intercept is really just the point where the graph of the line crosses the x-axis.
Curated OER
What is a Linear Equation?
Explore linear equations with this video about lines with equal signs! The instructor demonstrates linear equations in a variety of ways: writing examples, plugging in solutions, and graphing equations. This resource could act as an...
Curated OER
How Do You Use the Graph of a Linear Equation to Solve a Word Problem?
There are rabbits, rabbits, rabbits everywhere. Not this group of rabbits. Use a table to find some x and y values to create a graph to solve this word problem. It's a rather peculiar word problem in that it is trying to find when a...