Columbia University
Columbia University: Slope Intercept Form
This site from the Columbia University in the City of New York provides brief information on the slope-intercept form, and then has four helpful examples on the subject. Each example goes through the steps involved and arrives at a...
Concord Consortium
Seeing Math: Function Analyzer
The Function Analyzer allows learners to see the connections among three representations of a function: symbolic, area, and graphic. In addition, by allowing learners to change the value of four elements of a function - the coefficient...
ClassFlow
Class Flow: Writing Linear Equations
[Free Registration/Login Required] Students will be able to write an equation of a line given a point and a slope. Students write the equation of a line given appropriate information such as slope, x-intercept, y-intercept, two points,...
Learning Wave Communications
Learning Wave: Algebra, Section 2
The basic concepts of graphing are covered on this site, including points, slopes, equations of lines, and y-intercept. A quick discussion on the Pythagorean Theorem is also concluded. Several practice and application problems are...
University of South Florida
Fcat: Exploring Linear Equations: Teacher Notes
This lesson plan guides students through the use of a graphing calculator to explore the slope and y-intercept of a line.
Texas Education Agency
Texas Gateway: Kinematics: Graphical Analysis of One Dimensional Motion
By the end of this section, you will be able to describe a straight-line graph in terms of its slope and y-intercept, determine average velocity or instantaneous velocity from a graph of position vs. time, determine average or...
OpenStax
Open Stax: Graphical Analysis of One Dimensional Motion
In the following interactive module students will describe a straight-line graph in terms of its slope and y-intercept. They will determine average velocity or instantaneous velocity from a graph of position vs. time.
Math Is Fun
Math Is Fun: Linear Equation Test
This interactive site checks students' understanding of slope and intercept. Seven question require students to determine slope and intercept of a line from the graph. The site is a test that can be scored on-line.
Integrated Publishing
Integrated Publishing: Equation of a Straight Line
This math tutorial shows the relationship of a slope to a straight line and how to write equations in point-slope or slope-intercept form.
Texas Instruments
Texas Instruments: Polynomial Addition, Subtraction
This StudyCard stack teaches that, when linear functions are added, the slope of the sum is equal to the sum of the slopes, likewise for y-intercepts. Includes quadratic and up polynomials.
San Diego State University
San Diego State University: Examples of Writing Linear Equations
These examples show how to write linear equations from different types of information. There are even real-world examples dealing with air pressure, sea urchins, and measurement conversions.
Illustrative Mathematics
Illustrative Mathematics: 8.f Downhill
In this task, a car is traveling down a steep hill. Students are given the function for elevation versus distance from the start and are asked to find and explain the slope and intercepts of the graph. Aligns with 8.F.B.4.
Other
Nearpod: Linear Equations & Graphs
In this lesson on linear equations and graphs, young scholars will learn how to graph linear equations and create linear equations based upon real-life word problems.
Illustrative Mathematics
Illustrative Mathematics: S Id.7 Used Subaru Foresters
Jane wants to sell her Subaru Forester and does research online to find other cars for sale in her area. She examines the scatterplot of price versus age and determines that a linear model is appropriate. Answer a variety of questions...
Discovery Education
Discovery Education: Web Math: Algebra
This WebMath site provides links to tutorials and lessons in both Algebra I and II. Links to topics such as factoring, solving equations, polynomials, simplifying equations, graphing, and much more.
Purple Math
Purplemath: Algebra Resources
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Math.com
Math.com: Algebra: Graphing Linear Equations
The lesson investigates how to graph linear equations. The tutorial includes definitions, examples, and a worksheet.
Texas Instruments
Texas Instruments: Adding Marbles
Each time students add ten marbles to a container filled with a small amount of water, they measure the height of the water. Students will examine their data and develop linear equations.
Purple Math
Purplemath: Solving Literal Equations
Provides a lesson on solving literal equations, explains how they are similar to solving linear equations, and works through numerous examples showing how different types of literal equations are solved.
Other
Desmos: Linear Bundle
A collection of activities where students investigate linear equations. Activities involve an exploration of the lines in a polygraph and the vocabulary needed to describe them accurately; the slope in graphs; lines in different...
PBS
Pbs: Manipulating Graphs
Watch how a graph is altered when key elements of the equation change. This lesson focuses on how to manipulate the equation of a line in slope intercept form to match the graphs provided deepening the understanding of both the slope and...
Alabama Learning Exchange
Alex: Math Is Functional
This lesson is a technology-based activity in which students extend graphing of linear functions to the use of spreadsheet software. After students have become proficient in constructing a table of values, students are able to...
Windstream
Ojk's Precalculus Study Page: Functions of Two Variables
An introduction to functions with two variables, including several examples relating to linear programming. The tutorial includes graphical examples of the functions and also review questions located at the bottom of the page.
ClassFlow
Class Flow: Straight Lines
[Free Registration/Login Required] Students explore straight lines, graphing lines and applying the formula for graphing linear equations.
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