1.   The set of all second coordinates, or  y-coordinates, of the ordered pairs in a relation is called the______.
    A. related coordinates B. domain
    C. ordered coordinates D. range
    Hint

  2.   Examine the graph below. Which statement is not true?
   
    A. Sales of sport utility vehicles were about the same from 1988 through 1991.
    B. The number of sport utility vehicles sold in the U.S. has increased every year since 1988.
    C. The greatest number of sport utility vehicles sold was in 1998.
    D. In 1994, about 1,500,000 sport utility vehicles were sold in the U.S.
    Hint

  3.   Select the correct graph for the relation y = -2x if the domain is
{-2, -1, 0, 1, 2}.
    A. B.
    C. D.
    Hint

  4.   Solve the equation 10x - 5y = 15 if the domain is {-2, -1, 0, 1, 2}.
    A. {(2, -1), (-1, 1), (0, 3), (1, 5), (2, 7)}
    B. {(-2, -7), (-1, -5), (0, -3), (1, -1), (2, 1)}
    C. {(-2, -2), (-1, -1), (0, 0), (1, 1), (2, 2)}
    D. {(-2, 2), (-1, 1), (0, 0), (1, 2), (2, 1)}
    Hint

  5.   Consider the equation y = kx. Which statement is not true?
    A. k is called the direction. B. k is called the constant of variation.
    C. y is called the dependent variable. D. x is called the independent variable.
    Hint

  6.   Which statement is not true about an inverse variation?
    A. The product of the variables is constant. B. The constant of variation is .
    C. If y varies inversely as x, then y is inversely proportional to x. D. In the equation xy = k, k is a constant.
    Hint

  7.   Which is true of the equation y = cx where c is a constant?
    A. The graph passes through the origin. B. The graph will be increasing.
    C. The graph will always cross the x-axis at exactly one point. D. The graph will be decreasing.
    Hint

  8.   Jasper has a firm belief that when two people have their first long phone conversation, they each spend the total time on the phone plus 3 minutes talking about television-related topics. Jasper just had his first telephone conversation with Alicia. If they talked on the phone for 48 minutes, how long would they have had to talk about television-related topics to support Jasper's theory?
    A. 15 minutes B. 9 minutes
    C. 14 minutes D. 12 minutes
    Hint

  9.   Dion takes 5 minutes to prepare himself to read a book and then takes 1.4 minutes to read each page. How many minutes will it take Dion to read a 155 page book if he reads straight through?
    A. 207 minutes B. 217 minutes
    C. 222 minutes D. 212 minutes
    Hint

  10.   In physics the equation F = ma means ''force equals mass times acceleration.'' The acceleration of a freely falling object is 9.8 m/s2. Use the function F(m) = 9.8m to find the force in Newtons (N) of a freely falling object with a mass of 14 g.
    A. 1.43 N B. 8.2 N
    C. 137.2 N D. 23.8 N
    Hint

  11.   Suppose y varies directly as x and y = -10 when x = 5. Find x when
y = 40.
    A. -20 B. 10
    C. 20 D. -10
    Hint

  12.   Alice and Gertrude take 8 hours to mow a lawn. If everyone mows the lawn at the same speed as Gertrude and Alice, how long would it take 4 people to mow a lawn?
    A. 6 hours B. 4 hours
    C. 3 hours D. 2 hours
    Hint



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