Texas Instruments
Texas Instruments: Cabri Jr. The Equation of a L Ine
This activity uses Cabri Jr. to graph a line and show the equation of the line. The equations for oblique, horizontal and vertical lines are explored with emphasis on slope and y-intercept.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Proportional Relationships, Lines, and Equations
In this task, 8th graders are shown the graphs of two lines with the same slope. They are given the equation for the first line and the coordinates of a point on the second and are asked to find the equation for the second line. Aligns...
Other
University of Wisconsin: Finding the Slopes of Lines
This is an interactive page that provides the user with practice for finding the slope of a line. The site has a list of seven questions and requires the user to change the graph to fit the given required slope.
Math Open Reference
Math Open Reference: Intercept of a Line
A complete reference guide to finding the intercept of a line. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
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.
Khan Academy
Khan: Lesson 5: Relationships Among Linear Equations, Lines in Coordinate Plane
This lesson focuses on the relationship between algebraic, graphical, and contextual expressions of linear equations.
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 A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: The Slope of a Line
This tutorial will show you how to find a the slope of graph, write a linear equation in slope-intercept form. You'll also learn how to determine whether two lines are parallel or perpendicular to each other. For advanced math students.
Sophia Learning
Sophia: Writing a Linear Equation From a Parallel Line and Point: Lesson 1
This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line. It is 1 of 5 in the series titled "Writing a Linear Equation from a Parallel Line and Point."
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Linear Functions and Models: Basics: Slope and Intercept
A mathematics tutorial that allows you to interactively learn and manipulate the slope and intercepts of a line.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Texas Education Agency
Texas Gateway: Tea Statistics: The Regression Equation
A tutorial on how to find the line of best fit or least-squares regression line for a set of data in a scatter plot using different methods and calculations.
Purple Math
Purplemath: Using Slope and Y Intercept to Graph Lines
Demonstrates, step-by-step and with illustrations, how to use slope and the y-intercept to graph straight lines.
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.
Wyzant
Wyzant: Determining the Equation of a Line Passing Through Two Points
The resource consists of practice problems that examine how to determine the equation of a line passing through two points. Worksheet and answer sheets are included.
Wyzant
Wyzant: Determining the Equation of a Line From a Graph
The resource consists of practice problems that examine how to determine the equation of a line from a graph. Worksheet and answer sheets are included.
Texas Instruments
Texas Instruments: Glencoe Science: Endothermic and Exothermic Process
Students can use TI graphing calculators and data collection to find equations of lines using slope-intercept format and graph.
Interactive Mathematics
Interactive Mathematics: Graphs of Linear Functions
A brief overview of three methods used to graph lines is presented through examples. Slope-intercept, point-slope, and intercept form are demonstrated step-by-step along with a review of the formula for finding the slope of a line.
Other
Nearpod: Interpreting Slope & Y Intercept
In this instructional activity on interpreting slope and y-intercept, 8th graders will learn how to identify the slope and the y-intercept of a line in order to identify if a proportion is demonstrated.
Discovery Education
Discovery Education: Web Math: Graph a Line
WebMath offers a java applet that allows you to input the slope of a line and a point on the line and gives you the equation, in slope-intercept form, of the line with the given slope that passes through the point. It also includes a...
Mangahigh
Mangahigh: Algebra: Draw Straight Line Graphs Using Y = Mx + B
Students watch an online tutorial on the concept of graphing using slope intercept form. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
Texas Instruments
Texas Instruments: Investigating Y=mx+b
Students use a graphing calculator to explore graphs of equations in slope-intercept form.
Duke University
Duke University: Intercept of a Straight Line
A brief look at the y-intercept and how to write the y-intercept in point notation.
Shmoop University
Shmoop: Basic Algebra: Intercepts
The tutorial discusses the x and y-intercepts. Learners explore the concepts through notes and examples. Practice problems are included to check for comprehension of the algebra topics.