Test Friday 2/16 on Systems of Equations

Identify types of lines and types of systems based on their slopes and y-intercepts

  • Lines must be in slope-intercept form before you can graph (y = mx + b)

Solve a System of Equations GRAPHICALLY

  • Lines must be in slope-intercept form before you can graph (y = mx + b)

Solve a System of Equations ALGEBRAICALLY

  • Substitution
  • Elimination

Word Problems

  • Define two variables (write two let statements)
  • Write two equations
  • Solve the equations by substitution or elimination
  • Write your final answer in a complete sentence

Look over the two previous quizzes from this unit to help you study.

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