Section 4.5 - Solving A Linear System Graphically

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Section 4.5 - Solving A Linear System Graphically

Please answer the following questions.


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Questions and Answers
  • 1. 
    Determine the point of intersection of the lines y = 3x + 5  and  2x + y = 10
    • A. 

      (3, 2)

    • B. 

      (-5, 20)

    • C. 

      (0, 5)

    • D. 

      (1, 8)

  • 2. 
    The school store charges $10 per shirt.  The store paid the supplier $3 per shirt plus a one-tome set up fee of $25.  Write a system of equations that represents this situation.   
    • A. 

      Y = 10x y = 3x + 25

    • B. 

      Y = 10 y = 3x + 25

    • C. 

      Y = 10x y = 3x

    • D. 

      Y = 7x + 25 y = 5x

  • 3. 
    Determine the point of intersection of the lines y = 4 and x = 3
    • A. 

      Infinitely many

    • B. 

      None

    • C. 

      (3, 4)

    • D. 

      (4, 3)

  • 4. 
    What type of lines will have no points of intersection?
    • A. 

      Parallel

    • B. 

      Perpendicular

    • C. 

      Intersecting

    • D. 

      Coinciding

  • 5. 
    Consider the relation x + 2y = 6.  Which of the following relations will intersect this relation at (2, 2)?
    • A. 

      6x + y = 2

    • B. 

      2x + y = 4

    • C. 

      X + y = 4

    • D. 

      X + y = 2