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Concord Consortium
Concord Consortium: Linear Equations Word Problems
Learn to apply linear equations and their graphs to real-world problems.
CK-12 Foundation
Ck 12: Algebra: Graphs of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Students learn to use a table to graph functions recognizing linear equations and the equations of horizontal lines and vertical lines. Students examine guided...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Systems of Linear Equations in Two Var.
This tutorial will guide you through several tasks associated with systems of linear equations in two variables. Complete with definitions, problems with step-by-step solutions, and example exercises for you to complete and check.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Linear Equations
Find a concise explanation of how to graph a linear equation. An example is given and clearly explained.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Graphing Linear Equations
A simple tutorial that will show you how to graph linear equations and functions after finding the x- and y-intercepts. Provides definitions, steps for sketching a graph, and several examples of linear equations and their graphs....
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...
Purple Math
Purplemath: Graphing Linear Equations: T Charts
A nice tutorial on how to graph linear equations. Goes through the process step by step and gives numerous examples.
Purple Math
Purplemath: Solving One Step Linear Equations
Demonstrates step-by-step, with illustrations, how to solve linear equations. Also explains the formatting and reasoning for 'no solution' and 'all x' equations. Includes interactive tool for practice solving linear equations.
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.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Linear Functions and Models: Basics: Slope and Intercept
A mathematics tutorial that allows you to interactively learn and manipulate the slope and intercepts of a line.
Math Open Reference
Math Open Reference: Equations of a Line (Slope and Intercept Form)
The interactive resource investigates slope and intercept. Students adjust the sliders to control the slope (m) and the intercept (b) of the line. The equation and the line will change accordingly. Learners can also drag the origin.
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Concord Consortium
Concord Consortium: Linear Equations: Points, Intercepts, and Slopes, Oh My!
Learn how to graph lines with two methods: using x- and y-intercepts and using point-slope form.
Concord Consortium
Concord Consortium: Linear Equations: Ski Slope
Explore slopes of lines and see how slope is represented on the x-y axes.
Ducksters
Ducksters: Kids Math: Linear Equations: Slope Forms
Explore the slope-intercept and point-slope forms of linear equations and how to graph them on this webpage.
Concord Consortium
Concord Consortium: Solving Systems of Equations
Two linear equations, with two variables, are presented and students use graphs to solve the system of equations.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Equations of Lines
This tutorial covers x & y intercepts, point-slope form, slope-intercept form, graphing, and more. Use the practice problems at the end to check your skills.
Alabama Learning Exchange
Alex: Finding the Slope of a Line
This lesson plan will use a slide presentation to facilitate teaching students how to find the slope of a line when given the graph of the line or two points. Students will interact with the presentation in two ways: first, by taking...
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...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.2 and a ced.a.3: How Much Folate?
This task is designed to be used as an introduction to writing and graphing linear inequalities. Aligns with A-CED.A.2 and A-CED.A.3.
Math Planet
Math Planet: Algebra 2: Graph Inequalities
How to graph an inequality is explained through examples and a video lesson. [4:14]
Oswego City School District
Regents Exam Prep Center: Solving Systems Using Addition or Subtraction
Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...
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.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Intercepts
Learn how to find the x and y intercepts of a linear function, to graph the function using the intercepts, and to graph vertical and horizontal lines. The tutorial offers many examples with clear step-by-step examples.