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.
Cool Math
Coolmath: Perpendicular Lines
This CoolMath Resource will help students determine if lines are perpendicular by finding the slope, using the point-slope formula, and graphing.
Cool Math
Coolmath: Parallel Lines
This CoolMath resource will help students understand how to use slope and the point-slope form to determine if two lines are parallel.
Texas Instruments
Texas Instruments: Investigating Y=mx+b
Students use a graphing calculator to explore graphs of equations in slope-intercept form.
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.
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.
Other
Interactive Algebra: Graphing Helper for (Y = Mx + B)
Enter the slope and y-intercept of any line and it will be graphed for you. This site is great for becoming familiar with the concept of graphing and for checking your own graphs. Requires Java.
Wolfram Research
Wolfram Math World: Slope
This site from MathWorld.com provides charts, links, and definitions pertaining to slope.
Texas Instruments
Texas Instruments: Walk My Walk
A two-part activity that uses a CBR to develop the notion of slope and y-intercept through various walking activities. Part A develops a general notion of how changes in walking are reflected in various graphical representations. Part B...
Texas Instruments
Texas Instruments: Linear Equations Review
This Learn Check file is a review of linear equations. There are problems about slope, x- and y-intercepts, and writing equations of lines.
Texas Instruments
Texas Instruments: Funnel Volumes: Volume and Weight
In this activity, students' will use a force sensor to measure the weight of a water filled funnel as it drains. They analyze the weight versus time data and describe it using concepts of slope and intercepts of a linear function.
Texas Instruments
Texas Instruments: Y=mx+b Quick Check
In this activity students use an activity center to input equations with correct slope and y-intercept.
CK-12 Foundation
Ck 12: Algebra: Graph Using Intercepts: Graphs of Linear Functions
[Free Registration/Login may be required to access all resource tools.] Students learn how to make and analyze graphs of linear functions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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)?
ClassFlow
Class Flow: Definition of Slope
[Free Registration/Login Required] Presents the definition of slope and the formulas for y-intercept form.
Illustrative Mathematics
Illustrative Mathematics: S Id.7 Texting and Grades
Medhavi suspects that there is a relationship between the number of text messages high school students send and their academic achievement. To explore this, she asks a random sample of 52 students at her school how many text messages...
Illustrative Mathematics
Illustrative Mathematics: A rei.d.10: Collinear Points
This task leads young scholars through a series of problems which illustrate a crucial interplay between algebra and geometry. Aligns with A-REI.D.10.
Khan Academy
Khan Academy: Writing Linear Functions Word Problems
Practice writing a linear function that represents a real-world relationship that is given verbally. Functions are written using function notation.
Google
Google for Education: Linear Association
This student activity allows for practice in graphing data in a spreadsheet and relate the "slope" of their graphs to the association between two sets of data.
ClassFlow
Class Flow: Linear Models
[Free Registration/Login Required] Students will learn the different forms of an equation of a line and will find the equations of a line in all three forms- point-slope form, slope-intercept form, and the general form (Ax+By=C).
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.
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,...
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...
Texas Instruments
Texas Instruments: Step Up
Students learn to use measurements on a real model to develop the concept of slope and linear functions. They use a calculator to explore changing the slopes and Y- intercepts in the slope intercept form Y = MX + B.
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