Khan Academy
Khan Academy: Algebra I: Slope From Graph
Find the slope of a line on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Writing Linear Functions Word Problems
Find a linear function that represents a real-world relationship that is given verbally. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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...
Khan Academy
Khan Academy: Slope From Two Points
Find the slope of the line that goes through the two points that are given to you. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Linear Equations Word Problems
Solve word problems about real world relationships that are given in formulas. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Paul Dawkins
Paul's Online Notes: Algebra: Lines
Detailed math tutorial features notes and examples that discuss graphing lines and introduces the concept of slope, the standard form of the line, the point-slope form, slope-intercept form, and parallel and perpendicular lines.
CK-12 Foundation
Ck 12: Algebra: Comparing Equations of Parallel and Perpendicular Lines
[Free Registration/Login may be required to access all resource tools.] Use their slopes to determine if two lines are parallel or perpendicular.
CK-12 Foundation
Ck 12: Algebra: Graphs Using Slope Intercept Form
[Free Registration/Login may be required to access all resource tools.] Identify the slope and y-intercept of lines and graph linear equations that are in slope-intercept form.
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.
CK-12 Foundation
Ck 12: Algebra: Determining the Equation of a Line
This comprehensive study guide highlights the main terms and formulas needed to determine the equation of a line. Examples are included.
University of South Florida
Florida Center for Instructional Tech: Wacky Water World
At this site investigate linear equations with a graphing calculator. Data is gathered from a hypothetical situation of purchasing tickets at a waterpark.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: The Equation of a Straight Line
Here is a site that clearly and thoroughly explains linear functions and the equation of a straight line. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
Wyzant
Wyzant: Graphing Linear Equations Using Slope Intercept Form
Students practice graphing linear equations using slope-intercept form. The resource consists of an example, practice exercises, and solutions.
ClassFlow
Class Flow: Linear Equations
[Free Registration/Login Required] Connects what we have learned about slope as a ratio to linear equations. We had previously used the term rate of change, but can now connect it to the idea of slope. There are information pages and...
ClassFlow
Class Flow: Slope of Parallel Lines
[Free Registration/Login Required] Given slope and y-intercept (or a point) can you create the equation for a line parallel to that line (and then graph it)?
Northeast Parallel Architectures Center, Syracuse University
Npac Reu Program: Slope Intercept Form
This Northeast Parallel Architectures Center of Syracuse University site contains an example and a few exercises about Slope-intercept form in linear equations.
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given the Slope and a Point
[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given the Slope and a Point
[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.
Cool Math
Coolmath: Finding the Equation of a Line Given a Point and a Slope
A quick lesson on finding the equation of a line given a point and a slope.
Annenberg Foundation
Annenberg Learner: Thinking About Slope
Explore the concept of slope. Ask yourself why the slope between pairs of points would change or why it would stay the same.
Texas Instruments
Texas Instruments: Inverse of Two Temps
In this activity, students find a conversion equation that will calculate the corresponding Celsius temperature for any given Fahrenheit temperature. Students learn to graph scatter plots, analyze and graph linear equations, compute and...
PBS
Pbs: Modeling the Linear Relationship Between Fahrenheit and Celsius
Explore the relationship between degrees Fahrenheit and degrees Celsius. This video focuses on developing an expression to model the relationship between the temperature scales using a line graph to calculate slope and the y intercept.
CK-12 Foundation
Ck 12: Algebra: Equations of Perpendicular Lines
[Free Registration/Login may be required to access all resource tools.] Learn how to recognize and write equations of perpendicular lines.