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Home > A2C > Chapter 8 > Lesson 8.1.4 > Problem 8-67

8-67.

Consider the system of equations and .

  1. Is it possible to solve this system by substitution? By the Elimination Method? By graphing?

    Use substitution: . Solve for .

  2. List at least five possible solutions.

    List five values where the graphs intersect.

  3. Consider the list of solutions you wrote in part (b) as a sequence and write a rule to represent all possible solutions.

    List your values from part (b) in order and look for a relationship.

    for all integers

    Use the eTool below to help answer parts (a) and (b).
    Click the link at right for the full version of the eTool: CCA2 7-66 HW eTool