Illustrative Mathematics
Illustrative Mathematics: 8.f Distance Across the Channel
This task asks students to find a linear function that models the relationship between water depth and distance across a channel at water level. After finding the equation, they have to verbalize the meaning of the slope and intercept of...
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...
Illustrative Mathematics
Illustrative Mathematics: 8.ee Stuffing Envelopes
Eighth graders are asked to compare the income earned from two summer jobs stuffing envelopes. They are to draw graphs, write equations, and interpret the graphs. This task provides students with an opportunity to take the step from unit...
CK-12 Foundation
Ck 12: Algebra: Intercepts and the Cover Up Method
[Free Registration/Login may be required to access all resource tools.] Learn how to find intercepts using the Cover-Up Method.
CK-12 Foundation
Ck 12: Algebra: Intercepts by Substitution
[Free Registration/Login may be required to access all resource tools.] Identify x and y-intercepts when problem solving.
CK-12 Foundation
Ck 12: Analysis: Average Rate of Change
[Free Registration/Login may be required to access all resource tools.] Defining average rate of change and evaluating simple examples
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.
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.
Math Planet
Math Planet: Parallel and Perpendicular Lines
Provides examples and a video lesson that illustrates parallel and perpendicular lines.
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.