• About SAT
  • SAT Reasoning Test™
    • Why You Should Take the SAT
    • FAQ
    • Writing Section
      • How the Essay is Scored
    • Critical Reading Section
    • Mathematics Section
  • SAT Subject Tests™
    • FAQ
    • Language Tests
    • Listening Tests
• Test Day
  • What to Bring
    • Admission Ticket
    • Acceptable ID
    • Calculator Policy
    • CD Player Policy
  • Standby Testing
  • If You're Absent
  • SAT Test Center Closings
  • Makeup Testing
  • Test Security and Fairness
• Calendar Dates & Fees
  • Subject Test Calendar
  • 2008-09 Fees
  • Fee Waivers
  • Refunds
• Registering
  • Register by Mail
  • SAT Questionnaire
  • Student Search Service®
  • Accommodations
  • Special Circumstances
    • Sunday Testing
    • Testing Closer to Home
    • International Exceptions
    • Younger than 13
  • Making Changes
    • Admission Ticket/Correction Form
      • Questions about Your Admission Ticket
  • International Representatives
    • Asia
    • Africa
    • Europe
    • North Africa/Middle East
  • FAQ
• SAT Preparation Center™
  • SAT Skills Insight
  • General Test-Taking Approaches
  • Critical Reading
    • Approaches
    • Sentence Completions
    • Passage-based Reading
  • Mathematics
    • Approaches
    • Multiple Choice
    • Student-Produced Response
      • Grid-In Practice
    • Mathematics Review
      • Data Analysis, Statistics, and Probability
      • Data Analysis, Statistics, and Probability
      • Data Analysis, Statistics, and Probability
      • Data Analysis, Statistics, and Probability
      • Data Analysis, Statistics, and Probability
      • Data Analysis, Statistics, and Probability
      • Data Analysis, Statistics, and Probability
      • Data Analysis, Statistics, and Probability
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Number and Operations
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Algebra and Functions
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
      • Geometry and Measurement
  • Writing
    • Approaches
    • Identifying Sentence Errors
    • Improving Sentences
    • Improving Paragraphs
    • The Essay
  • Practice Test
• After the Test
  • Essay Prompts
• Subject Tests Preparation Center
  • Approaches
  • Test-Specific Prep Select a Subject Literature U.S. History World History Mathematics Level 1 Mathematics Level 2 Biology Chemistry Physics Chinese with Listening French French with Listening German German with Listening Modern Hebrew Italian Japanese with Listening Korean with Listening Latin Spanish Spanish with Listening ELPT

    Writing

    Literature

    • Test Format
    • Sample Questions
    • Web Resources

    U.S. History

    • Test Format
    • Sample Questions
    • Web Resources

    World History

    • Test Format
    • Sample Questions
    • Web Resources

    Mathematics Level 1

    • Test Format
    • Sample Questions

    Mathematics Level 2

    • Test Format
    • Sample Questions
    • Web Resources

    Biology

    • Test Format
    • Sample Questions
    • Web Resources

    Chemistry

    • Test Format
    • Sample Questions

    Physics

    • Test Format
    • Sample Questions
    • Web Resources

    Chinese with Listening

    • Test Format
    • Listening Test
    • Multiple Choice
    • Web Resources

    French

    • Test Format
    • Sample Questions
    • Web Resources

    French with Listening

    • Test Format
    • Sample Questions
    • Web Resources

    German

    • Test Format
    • Sample Questions
    • Web Resources

    German with Listening

    • Test Format
    • Sample Questions
    • Web Resources

    Modern Hebrew

    • Test Format
    • Sample Questions
    • Web Resources

    Italian

    • Test Format
    • Sample Questions
    • Web Resources

    Japanese with Listening

    • Test Format
    • Listening Test
    • Multiple Choice
    • Web Resources

    Korean with Listening

    • Test Format
    • Sample Questions
    • Web Resources

    Latin

    • Test Format
    • Sample Questions
    • Web Resources

    Spanish

    • Test Format
    • Sample Questions
    • Web Resources

    Spanish with Listening

    • Test Format
    • Sample Questions
    • Web Resources

    ELPT
• Scores
  • Scores by Phone
  • Online Score Report
  • Understanding Your Scores
    • How the Test is Scored
    • Unscored
    • Score Range
    • Percentiles
    • Comparing Section Scores
    • Average (Mean) Scores
    • Before March 2005
    • ELPT Proficiency Rating
    • Summary of Scores
    • Profiles
  • Retaking the Test
  • Sending Your Scores
    • Rush Reporting
    • Sending Old Scores
    • Score Verification
    • FAQ
  • Canceling Your Scores
  • Why Aren't My SAT Scores Online Yet?
  • October 2005 SAT Scores
  • Question & Answer Service
  • Student Answer Service
• SAT In Focus™
• Contact Us

Algebra and Functions

Absolute Value