Chapter 5 Linear Equations & Graphing

Quiz 53A - Direct Variation

Answer the questions below with one word answers (spell the complete word), multiple choice selections or a number (#). All word answers are to be given in lower case spelling. Click "submit" at the bottom of the page to correct your answers. Printout your results and click "continue". At the bottom of the sponsor page, click "Return to Home Page" to end the test.

  1. What is the name of a linear function that can be written in the format: y = kx, where k is not = 0.

    2. Your answer:
    Constant of Variation
    Rate of Variation
    Indirect Variation
    Direct variation

  2. The function rule for a linear function is called a l________ equation.

    3. Your answer:

  3. What is the name for k in the equation y = kx?

    4. Your answer:
    Break-even Point
    Direct variation
    Indirect Variation
    Constant of Variation

  4. The name for k in the equation y = kx is the r_____ of change.

    5. Your answer:

  5. The value of k in the equation y = kx can equal which of these statements?

    6. Your answer:
    Slope of a Line
    Constant of Variation
    Rate of Change
    All of the Choices

  6. Tell whether y varies directly as x. If so, write a function rule for the relationship shown by the data (x, y): (-3, -6.6), (-1, -2.2), (1, 2.2). You may want to design at table for assistance.

    7. Your answer:
    yes, y = 3.6x
    yes, y = 2.2x
    yes, y = 1.2x
    no

  7. The amount of a person's paycheck P is directly proportional to the number of hours worked, H. For working 12 hours, the pay is $85.20. Find the pay for 30 hours of work.

    8. Your answer:
    None of these
    $ 213.00
    $ 220.10
    $ 220.50

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