1.   Write in standard form where A, B, and C are integers whose greatest common factor is 1.
    A. 3x + 8y = 16 B.
    C. 3x - 8y = 16 D. 3x - 8y = 2
    Hint

  2.   The temperature f(x) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where x is the depth in feet of the water. What would be the temperature of water 30 feet below the surface?
   
    A. 111°F B. 33°F
    C. 63°F D. 71.25°F
    Hint

  3.   Identify h(x) = [x] + 4.
    A. greatest integer function
    B. constant function
    C. direct variation function
    D. absolute value function
    Hint

  4.   Choose the line whose slope is undefined.
    A. B.
    C. D.
    Hint

  5.   Find the domain of the relation shown in the graph.
   
    A. {-3, -2, -1, 0, 1, 2, 3, 5} B. {-2, -1, 1, 2, 3, 5}
    C. {0, 1, 2, 3} D. {-3, -2, -1, 0, 1, 3}
    Hint

  6.   When the equation is written in standard form, what is the value of B?
    A. -25 B. 25
    C. D.
    Hint

  7.   Graph the line passing through the point (2, -5) with a slope of –2.
    A. B.
    C. D.
    Hint

  8.   What is the slope of the line with equation
    A. B.
    C. 7 D. -7
    Hint

  9.   A phone company charges for service as follows: they charge a certain amount for a visit, and then they charge a certain amount per hour after that. If a three-hour service visit costs $220, and a job that takes an hour and a half costs $145, how much is the cost of a visit before the amount of time spent is factored in?
    A. $25 B. $50
    C. $217 D. $70
    Hint

  10.   The table shows the average heights (in centimeters) of females ages 1-14. If this trend continues, about how tall will an average fifteen-year-old female be?
   
    A. 163.7 cm B. 156.9 cm
    C. 160.3 cm D. 168.5 cm
    Hint

  11.   When finding the equation for a line of fit for a scatter plot, you should use __________.
    A. the first and last points on the plot, with respect to the horizontal B. all of the points on the plot
    C. the point most characteristic of the scatter plot D. two points that you think represent the data well
    Hint

  12.   Suppose a plant grows one inch every year. If x is how old the plant is (in years), and f (x) is how tall the plant is (in inches), what type of function is f (x)?
    A. absolute value function B. identity function
    C. constant function D. step function
    Hint

  13.   Which graph shows the inequality 5x – 2y 8?
    A. B.
    C. D.
    Hint

  14.   What is the inequality represented in the graph?
   
    A. x + 2y 4 B. x + 2y > 4
    C. x + 2y 4 D. x + 2y > 4
    Hint



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