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Henrico County Public Schools, Virginia
 
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Module - Linear Equations
Lesson 3 - X- and Y-Intercepts

Lessons

1-

Slope

2-

Point-Slope and Standard Form

3-

X- and Y-intercepts

4-

Slope-Intercept Form

5-

Graphing Linear Equations

6-

Graphing Linear Inequalities

7-

Module Review

 

 
SOL

A.7d - The student will investigate and analyze function (linear and quadratic) families and their characteristics both algebraically and graphically, including x- and y-intercepts.

Standard Form

You are able to manipulate the line by using the sliders to move points R and S.
Notice the general form of standard form and the equation of the line in standard form. Note the variables (A,B,C) and their corresponding values.

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Common Core Standards
8.F.4 F-IF.4 F-IF.7a F-IF.7c F-IF.9 F-BF.1a F-BF.1b F-BF.3 F-LE.2 F-LE.5
Warm-up
  1. ExamView Quiz: Point-Slope and Standard Form
  2. Warm-up: Evaluate Expressions (doc)
Lessons
  1. Notes: Finding the X- and Y-Intercepts (ppt) | Student Notes (doc)
  2. Activity: Project Graduation Intercept Cards (pdf)
Videos
  1. Video: PH Finding X- and Y-Intercepts Using Standard Form
  2. Video: PH Graphing Using Intercept
Explore Learning
  1. Points, Lines, and Equations: Compare the graph of a linear function to its rule and to a table of its values. Change the function by dragging two points on the line. Examine how the rule and table change.
Geogebra

 

Internet Sites
  1. Interactive: Exploring Standard Form - mathlet from GeoGebra
Tasks

 

Homework
  1. Finding Intercepts Worksheet (doc) | (pdf)
Journal
  1. Computers: What would happen if we had no computers to use in class? Would this be good? Bad?
Study Guide
  1. ExamView Quiz: X- and Y-intercepts
  2. Prentice Hall Quiz
Other
HCPS 2002-