Lawrence Hall of Science
The Math Page: Skill in Algebra: The Equation and Graph of a Straight Line
Here is a site that clearly and thoroughly explains the equation of a line, including how to find points on a line, intercepts, and how to recognize the equation of a line. There are example problems solved, problems for the student to...
Texas Instruments
Texas Instruments: Walk the Line: Straight Line Distance Graphs
In this activity, students' use a motion detector to create straight-line, or constant-speed, distance versus time plots, and analyze the linear equation that describes the plots.
Texas Instruments
Texas Instruments: Tight Rope
In this activity, students examine quantities that are linearly related and can be visually represented using a straight-line graph. Students collect distance versus time data using a motion detector and find a model for the...
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...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Graphing Lines
Complete this tutorial to learn how to graph a straight line if given the y-intercept and slope and how to graph horizontal and vertical lines. View examples of lines with different slopes, and practice working with slope-intercept form.
Purple Math
Purplemath: Graphing Quadratic Functions: Introduction
The most basic quadratic is y = x2. The general technique for graphing quadratics is the same as for graphing linear equations. The quadratics graph as curvy lines (called "parabolas"), rather than the straight lines generated by linear...
Mangahigh
Mangahigh: Algebra: Test to See if a Point Is on a Line
Students explore the concept of determining if points form a line by working through an online tutorial and then attempting a ten question quiz that increases in difficulty as questions are answered correctly.
Mangahigh
Mangahigh: Algebra: Solve Systems of Equations Straight Line Graphs
Students learn about the concept of systems of equations by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Physics Classroom
The Physics Classroom: 1 D Kinematics: Meaning of Slope for a P T Graph
In this physics tutorial, examine how the actual slope value of any straight line on a PT graph is the velocity of the object.
Physics Classroom
The Physics Classroom: 1 D Kinematics: Meaning of Slope for a v T Graph
In this part of a physics lesson, examine how the actual slope value of any straight line on a velocity-time graph is the acceleration of the object.
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 Cambridge
University of Cambridge: Nrich: Graphing Number Patterns
On this one page website sharpen your logic, graphing and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Shodor Education Foundation
Shodor Interactivate: Lesson: Arithmetic Practice W/ Ordered Pairs
The Shodor Education Foundation provides this lesson plan to have learners practice simple computation that results in them graphing their answers. If they are accurate they will have a straight line. Students use an interactive...
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.
Concord Consortium
Concord Consortium: Stem Resources: Seeing Motion
With this interactive tool and the use of a motion sensor, students will track their own motion and, as they collect data in several experiments, they will plot it on a distance-time graph. After completing the three experiments, they...
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 8 [Pdf]
Students calculate the slope of a straight line from its graph. The handout is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Estimating Slope 9 [Pdf]
Students calculate the slope of a straight line from its graph. The handout is available in PDF format.
San Diego State University
San Diego State University: Allometric Modeling
This site shows how to use exponential graphs to model AIDS cases. Very detailed site.
Texas Instruments
Texas Instruments: Linear Functions: Slope as Rate of Change
Students learn to associate the slope of a straight line with a constant rate of change. They also learn to calculate the rate of change from data points on a line, using the correct units. Students also learn to read from a linear...