Writing Linear Equations

5 Questions

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Writing Linear Equations

Questions and Answers
  • 1. 
    Which equation correctly shows this relationship? xy-1 -50-211
    • A. 

      Y = -3x - 2

    • B. 

      Y = 3x - 2

    • C. 

      Y = 1/3x + 2

    • D. 

      Y = -2x + 3

  • 2. 
    What is the y-intercept in this situation?xy-2-12-4-8
    • A. 

      - 16

    • B. 

      8

    • C. 

      - 8

    • D. 

      - 12

  • 3. 
    Which equation does NOT match this situation?Lin is tracking the growth of her plant in science class. Today it is 5 cm tall and it grows 1.5 cm per day. 
    • A. 

      Y = 5x + 1.5

    • B. 

      Y = 5 + 1.5x

    • C. 

      1.5x + 5 = y

  • 4. 
    Kara used the linear model y = 20,000 + 0.3x to predict her total salary if she has a sales amount of x. What is her base salary?
    • A. 

      20,000

    • B. 

      0.3

    • C. 

      60,000

    • D. 

      You cannot tell from this information.

  • 5. 
    Kara used the linear model y = 20,000 + 0.3x to predict her total salary if she has a sales amount of x. What percent commission does she earn??
    • A. 

      30%

    • B. 

      0.3

    • C. 

      20,000

    • D. 

      You cannot tell from this information.