1.   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. More customers buy roses than carnations.
    C. Daniel will buy Jasmine irises. D. Jasmine will be excited to receive flowers for her birthday.
    Hint

  2.   Which property of equality justifies the statement
if x – 2 = 9, then x = 11?
    A. Addition Property of Equality B. Symmetric Property of Equality
    C. Multiplication Property of Equality D. Transitive Property of Equality
    Hint

  3.   All right angles are ____________.
    A. congruent B. 180°
    C. transitive D. complementary
    Hint

  4.   Which angle corresponds to if
    A. B.
    C. D.
    Hint

  5.   Which problem-solving strategy is used in indirect proofs?
    A. decision-making B. draw a diagram
    C. guess and check D. working backward
    Hint

  6.   The quadrilateral below is a parallelogram because_______.
   
    A. it has four sides
    B. the diagonals bisect each other
    C. both pairs of opposite sides are congruent
    D. both pairs of opposite angles are congruent
    Hint

  7.   Architecture On the floor plan for a building, 1 inch represents 20 feet. If the dimensions of a room on the plan are inch by inches, what are the actual dimensions of the room?
    A. 15.5 ft by 25 ft B. 16 ft by 28 ft
    C. 17.5 ft by 25 ft D. 18 ft by 21.5 ft
    Hint

  8.   In ABC, BE = 4, EC = 10, AD = x, and DC = 11.
Find x so that  || .
   
    A. 3.5 B.
    C. 4.4 D. 3.6
    Hint

  9.   Which are not the measures of the sides of a right triangle?
    A. B.
    C. D.
    Hint

  10.   In the figure, the line is ____ the circle.
   
    A. inscribed in B. circumscribed about
    C. a tangent of D. a secant of
    Hint

  11.   Find the volume of the pyramid.
   
    A. 156 in3 B. 160 in3
    C. 80 in3 D. 260 in3
    Hint

  12.   Which type of tranformation is not an isometry?
    A. dilation B. translation
    C. reflection D. rotation
    Hint

  13.   Quadrilateral PQRS has vertices P(1, 6), Q(5, 2), R(3, -2), and S(-2, 4). If the quadrilateral is translated 2 units right and 4 units down, what are the coordinates of R'?
    A. (5, -6) B. (3, 2)
    C. (5, 2) D. (1, -6)
    Hint

  14.   ''If two angles are vertical, then they are congruent.'' is a true conditional, and 1 and 2 are vertical. Which is not true based on the Law of Detachment?
    A. Both1 and 2 are obtuse.
    B. 1 and 2 are not congruent.
    C. 1 and 2 both have a measure of 45.
    D. 1 and 2 are congruent.
    Hint

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

  16.   If ACDF is a rectangle, what is mAEC?
   
    A. 135° B. 70°
    C. 90° D. 45°
    Hint

  17.   Which of the following special right triangles can have a Pythagorean triple as the lengths of its sides?
    A. neither a 45°-45°-90° triangle nor a 30°-60°-90° triangle
    B. a 30°-60°-90° triangle
    C. a 45°-45°-90° triangle
    D. both a 45°-45°-90° triangle and a 30°-60°-90° triangle
    Hint

  18.   Find the value of z.
   
    A. 1 B. 4
    C. 6.5 D. 12.25
    Hint

  19.   Find the volume of a sphere with a surface area of 615.8 in2. (Round to the nearest tenth.)
    A. 2579.5 in3 B. 1436.9 in3
    C. 821.1 in3 D. 2463.2 in3
    Hint

  20.   Is the mapping of triangle TUV triangle DEF in the coordinate plane an isometry? Why or why not?
   
    A. Yes; sides are proportional.
    B. Yes; sides are congruent.
    C. No; sides are not proportional.
    D. No, sides are not congruent.
    Hint