Ch.1 Connections to Algebra

1.1 Variables in Algebra

Goal:

• Evaluate variable expressions.
  

Key Words:

• variable
• value
• variable expression
• numerical expression
• evaluate
  
  

1.2 Exponents and Powers

Goal:

• Evaluate a power.
  
  

Key Words:

• power
• exponent
• base
• grouping symbols
  
  

1.3 Order of Operations

Goal:

• Use the established order of operations.
  
  

Key Words:

• order of operations
• left-to-right rule
  
  

1.4 Equations and Inequalities

Goal:

• Check solutions of equations and inequalities.
  
  

Key Words:

• equation
• solution
• inequality
  
  

1.5 Translating Words into Mathematical Symbols

Goal:

• Translate words into mathematical symbols.
  
  

Key Words:

• translate
• phrase
• sentence
  
  

1.6 A Problem Solving Plan Using Models

Goal:

• Model and solve real-life problems.
  
  

Key Words:

• modeling
• verbal model
• algebraic model
  
  

1.7 Tables and Graphs

Goal:

• Organize data using a table or a graph.
  
  

Key Words:

• data
• bar graph
• line graph.
  
  

1.8 An Introduction to Functions

Goal:

• Use four different ways to represent functions.
  
  

Key Words:

• function
• input
• output
• input-output table
• domain
• range
  
  

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