1.   Choose the graph that is not a function.
    A. B.
    C. D.
    Hint
  2.   When Kristin works 8 hours, she earns $60. When she works 20 hours, she earns $150. Write a linear equation that describes her earnings. Assume that the changes increase linearly.
    A. B.
    C. D.
    Hint
  3.   Solve the system of equations.
    A. B.
    C. D.
    Hint
  4.   Which of the following best describes
   
    A. right B. acute
    C. obtuse D. straight
    Hint
  5.   Daniel wants to send Jasmine flowers for her birthday. At the flower store, he can choose between roses, irises, or carnations. The salesperson tells Daniel that 50% of the customers buy roses, 30% buy carnations, and 20% buy irises. Which of the following is a valid conjecture?
    A. The salesperson likes carnations. B. Jasmine will be excited to receive flowers for her birthday.
    C. Daniel will buy Jasmine irises. D. More customers buy roses than carnations.
    Hint
  6.   by the _______________.
   
    A. SSS Postulate B. SSA Postulate
    C. ASA Postulate D. SAS Postulate
    Hint
  7.   In the figure shown, is an exterior angle of Which
statement is correct?
   
    A. B.
    C. D.
    Hint
  8.   Quadrilateral ABCD is similar to quadrilateral WXYZ. Find the scale factor of quadrilateral ABCD to quadrilateral WXYZ.
   
    A. 4 B. 1.25
    C. D.
    Hint
  9.   Find IJ.
   
    A. 10 B. 10.5
    C. 13 D. 17
    Hint
  10.   A company e-mails the daily cafeteria menu to its employees at a random time between 8:00 a.m. and 9:00 a.m. What is the probability that the menu will be e-mailed between 8:00 a.m. and 8:20 a.m.?
    A. B.
    C. D.
    Hint
  11.   Kim has 3 blue sweaters, 2 red sweaters, and 5 white sweaters in a dresser drawer. If she selects 3 sweaters at random with replacement, what is the probability she will select a red one first, white second, and blue third?
    A. B.
    C. D.
    Hint
  12.   Which description corresponds to the boundary below?
   
    A. all points in a plane that are 4 units from a given segment in that plane
    B. all lines in a plane parallel to a given line in that plane
    C. all points in space that are 4 units from a given point
    D. all points in a plane that are 4 units from a given point in that plane
    Hint
  13.   If triangle FGH is congruent to triangle JKI, name the corresponding angles.
   
    A. F J, G K, H I
    B. F G, H I, J K
    C. F I, G J, H K
    D. F K, G I, H J
    Hint
  14.   is perpendicular to which segment?
   
    A. is not necessarily perpendicular to any segment.
    B.
    C.
    D.
    Hint
  15.   If A (-2, -3) is reflected over the y-axis, what are the new coordinates of A' ?
    A. (2, -3) B. (-2, 3)
    C. (2, 3) D. (-2, -3)
    Hint
  16.   Solve the system of equations.

–2x + 3y = 7
4x – 6y = 8.
    A. y = –22, x = –36.5 B. no solution
    C. y = –22, x = –31 D. y = –22, x = 29.5
    Hint
  17.   Suppose the matrix represents the records of the top four teams in a baseball season. If someone used this matrix to predict the total number of wins and losses by the second place team in the next decade (ten years), how many wins and losses would they predict?
    A. 950 wins, 670 losses B. 910 wins, 710 losses
    C. 980 wins, 950 losses D. 980 wins, 640 losses
    Hint
  18.   One card is drawn from a standard deck of cards. What is the probability that it is either a black card or a face card?
    A. B.
    C. D.
    Hint
  19.   Which of the following cannot be true concerning solving a system of equations by determinants?
    A. B.
    C. ed - bf = 0 D.
    Hint
  20.   Use the triangle in the diagram with a translation of 4 down, 2 units to the left, followed by a reflection over the x-axis to find the coordinates of Y''.
   
    A. (-3, 3) B. (-2, 5)
    C. (3, 3) D. (1, 3)
    Hint

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