1.   A ______________ is a logical argument in which each statement is backed up by a statement that is accepted as true.
    A. postulate B. theorem
    C. definition D. proof
    Hint

  2.   For the proof shown, provide statement 5.
   
   
    A. AC = DF B. BC = EF
    C. AB = DE D. AB = EF
    Hint

  3.   In the figure shown, is an exterior angle of Which
statement is correct?
   
    A. B.
    C. D.
    Hint

  4.   Which inequality describes the range of possible values for x?
   
    A. 4 < x < 14 B. -6 < x < 14
    C. x < 14 D. x < 4 and x > 14
    Hint

  5.   The measures of a pair of base angles of an isosceles trapezoid are
7x - 12 and 5x + 6. Find the value of x.
    A. 9 B. 3
    C. 6 D. 12
    Hint

  6.   In the triangle, sin A = ____.
   
    A. 5 B.
    C. D.
    Hint

  7.   The angle of depression from the top of one building to the top of a neighboring building is 12°. If the buildings are 50 feet apart, what is the difference between the heights of the buildings? Round your answer to the nearest tenth of a foot.
    A. 235.2 ft B. 10.4 ft
    C. 48.9 ft D. 10.6 ft
    Hint

  8.   Which term describes the tessellation shown?
   
    A. regular B. none of these
    C. not uniform D. uniform
    Hint

  9.   Suppose that, in a tessellation by regular hexagons and equilateral triangles, two hexagons meet at a vertex. How many of the triangles must meet at that vertex?
    A. 3 B. 1
    C. 4 D. 2
    Hint

  10.   ABCD is a parallelogram. What are the coordinates of C?
   
    A. (b, a + c) B. (a, c)
    C. (a + b, c) D. (b, c)
    Hint

  11.   What type of transformation results from successive reflections about two parallel lines?
    A. turn B. dilation
    C. rotation D. translation
    Hint

  12.   Which of the following is not one of the five essential parts needed to construct a good proof?
    A. If possible, draw a diagram to illustrate the given information.
    B. List the given information.
    C. State the theorem to be proved.
    D. Assume what you are trying to prove is true.
    Hint

  13.   Find the distance from R(6, -4) to the line with the equation y = 12.
    A. 6 B. 8
    C. 16 D. -16
    Hint

  14.   The measures of the diagonals of an isosceles trapezoid are 3x + 7 and 5x - 11, respectively. Find the value of x.
    A. 9 B. 7
    C. 3 D. 5
    Hint

  15.   In GIF, mI = 72, I = 23, and g = 19. Find f to the nearest tenth.
    A. 20.1 B. 27.8
    C. 26.3 D. 19
    Hint

  16.   In WXY, w = 38, x = 49, and y = 22. Find mY to the nearest tenth.
    A. 154.5 B. 25.5
    C. 106.4 D. 48.1
    Hint

  17.   Analyze the figure. Determine if it will tessellate in a plane or not and if so, which type of tessellation will it be.
   
    A. Yes, uniform and semi-regular
    B. Yes, regular
    C. Yes, not uniform
    D. No, it will form an overlapping pattern
    Hint

  18.   A dilation with center C produced quadrilateral RSTV. What is the scale factor?
   
    A. 2 B. 12
    C. D. 9
    Hint

  19.   Which assumption would you make to start an indirect proof of the following statement? The majority of students surveyed preferred chocolate ice cream to vanilla ice cream.
    A. The number of students surveyed that preferred chocolate ice cream to vanilla ice cream was greater than 50%.
    B. The number of students surveyed that preferred vanilla ice cream to chocolate ice cream was greater than 50%.
    C. The number of students surveyed that preferred chocolate ice cream to vanilla ice cream was greater than 25%.
    D. The number of students surveyed that preferred vanilla ice cream to chocolate ice cream was greater than 25%.
    Hint

  20.   Identify the coordinates of Z.
   
    A. (-c, -b) B. (-c, a)
    C. (c, -b) D. (-c, b)
    Hint



Glencoe
The McGraw-Hill Companies