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.
Other
Graph pad.com: Comparing Linear Regression to Nonlinear Regression
This resource presents a complete and detailed look at linear regression. This guide provides lots of details and graphs to explain each concept.
Other
Algebra.com: Homework Solvers
This site offers both instruction and homework help in several algebraic topics, including topics within Pre-Algebra, Algebra I, and Algebra II.
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.
Purple Math
Purplemath: Graphing Overview: Straight Lines
This resource provides an overview of graphing for various types of functions, instruction on graphing straight lines and also, includes advice on common mistakes made by students.
Other
Technical Tutoring: Linear Functions and Straight Lines
Learn how to write equations for linear functions in all three forms: point-slope, slope-intercept, and general. Also look at equations for parallel and perpendicular. The page gives an explanation of how to obtain the point slope form...
J Coffman
Joseph Coffman's Lecture Notes: Linear Equations
Introduction to linear equations with examples as well as graphing and slope-determination methods.
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.
Math.com
Math.com: Graphing Equations Unit Quiz
The unit quiz consists of eight true or false questions that examine graphing linear equations. Solutions are provided.
ClassFlow
Class Flow: Graphing Inequalities
[Free Registration/Login Required] Students represent functional relationships using tables, equations, and graphs, and describe the connection among these representations.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Graphing Linear Equations
Twenty-one problems present a variety of practice graphing linear equations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Khan Academy
Khan Academy: Preparing to Study Chemistry
This resource provides a summary of some fundamental math and science concepts that will be helpful in learning chemistry. Links are provided to help you learn or review the material on Khan Academy.
BSCS Science Learning
Bscs: Budburst Lilac Festival
In this Inquiry, students predict the best date to host a lilac blossom festival so that lilacs are in full bloom in the city where students live. Students are introduced to Project Budburst, a citizen science project in which volunteers...
Concord Consortium
Concord Consortium: Linear Equations: Y=mx+b
Graph lines using a slope and a y-intercept. Identify the slope and y-intercept from the equation of a line in slope-intercept form.
CK-12 Foundation
Ck 12: Algebra: Graphing Linear Equations
This comprehensive study guide highlights the main terms and formulas needed to review graphing linear equations. Examples are included.
Curated OER
Linear Functions
This site contains a short tutorial on point-slope, slope-intercept, and general form of linear equations. The site has an interactive graph of lines showing how the graph of a line changes when values of the linear equation change.
Texas Instruments
Texas Instruments: Symbolic Study of Lines
Students will write an equation in slope-intercept form given two points on the line; write an equation in Ax + By = C form given slope and one set of coordinates; and prove lines to be parallel or perpendicular given vertices of...
Texas Instruments
Texas Instruments: Explore Parallel and Perpendicular Lines
Students can use a graphing calculator to explore graphs of parallel and perpendicular lines. Students will find that parallel lines have the same slope and different y-intercepts and that the slopes of two perpendicular lines are...
Texas Instruments
Texas Instruments: The Phone Bill Problem
The student is given actual data and asked to find a line of best fit and to give "real world" interpretations of the slope and y-intercept. A great introduction to the 83/84 and its features.
Texas Instruments
Texas Instruments: Number Patterns and Functions: Rules, Tables
Number patterns can be made with any of the operations or combination of operations. Range and domain of any function can be listed in a table. When these functions are linear, the equation can be written in slope intercept form.
Texas Instruments
Texas Instruments: Parallel and Perpendicular Lines on Ti Smartview
This is an introductory lesson on graphing parallel and perpendicular lines. The students will have a good visual on how these lines relate to each other. This also illustrates how to determine equations in slope-intercept form of a line...
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Write linear equations in standard form and find the slope and y-intercept of such lines.