1.   Marita always listens to her favorite radio station, an oldies station, when she drives her car. Every morning she listens to her radio on the way to school. On Monday, she turns on her car radio and it is playing country music. Which of the following is a valid conjecture for why her radio is playing different music?
    A. Her favorite station has changed their morning program to include country music.
    B. Someone used her car during the weekend and changed the station.
    C. All statements are valid conjectures.
    D. A country music station bought out her favorite music station over the weekend.
    Hint

  2.   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. Develop a system of inductive reasoning.
    D. State the theorem to be proved.
    Hint

  3.   For the proof shown, provide the reason for part f.
   
   
    A. Definition of Addition B. Definition of a line
    C. Symmetric Property of Equality D. Definition of congruent segments
    Hint

  4.   Name a pair of corresponding angles.
   
    A. and B. and
    C. and D. and
    Hint

  5.   Find
   
    A. 62 B. 68
    C. 50 D. 56
    Hint

  6.   Most residential roofs are made of roof trusses. A diagram of a roof truss is shown. Notice that it is triangular in shape. Name the corresponding sides.
   
    A. , ,
    B. , ,
    C. , ,
    D. , ,
    Hint

  7.   Which statement is true?
    A. Any two isosceles triangles are similar. B. Any two equilateral triangles are similar.
    C. Any two triangles are similar. D. Any two right triangles are similar.
    Hint

  8.   Find IJ.
   
    A. 10 B. 10.5
    C. 17 D. 13
    Hint

  9.   Name a point on the interior of BGD.
   
    A. C B. A
    C. G D. D
    Hint

  10.   If two angles form a linear pair, they are _______.
    A. vertical B. congruent
    C. complementary D. supplementary
    Hint

  11.   ''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. 1 and 2 are not congruent.
    B. 1 and 2 both have a measure of 45.
    C. 1 and 2 are congruent.
    D. Both1 and 2 are obtuse.
    Hint

  12.   Which is an example of the Symmetric Property?
    A. 5(6 - 2) = 30 - 10 B. If 0.2 = , then = 0.2
    C. If 2x = 12, then x = 6 D. 2x = 2x
    Hint

  13.   Which statement explains why
   
    A. If two angles form a linear pair, then they are supplementary.
    B. Angles supplementary to the same angle are congruent.
    C. All right angles are congruent.
    D. If the sum of the measures of two angles is 180, then they are supplementary.
    Hint

  14.   Which statement is true about skew lines?
    A. They are perpendicular B. They lie in the same plane.
    C. They do not intersect. D. They intersect
    Hint

  15.   Assuming two parallel lines are cut by a transversal, which types of angles are not necessarily congruent?
    A. vertical angles B. consecutive interior angles
    C. corresponding angles D. alternate interior angles
    Hint

  16.   DEF GHI. Find the value of x.
   
    A. 21 B. 5.25
    C. 1.75 D. 10.5
    Hint

  17.   What is the sum of the values in the twelfth row of Pascal's Triangle?
    A. 121 B. 144
    C. 2048 D. 4096
    Hint

  18.   A __________ is a compound statement formed by joining two or more statements with the word or.
    A. negation B. disjunction
    C. truth value D. conjunction
    Hint

  19.   Write a truth table for pq.
    A. B.
    C. D.
    Hint

  20.   State the assumption that could be used to start an indirect proof of the statement Points A, B, C, and O are coplanar.
    A. Points A, B, C, and O are not coplanar. B. Points A, B, C, and O are collinear.
    C. Points A, B, C, and O are coplanar. D. Points A, B, C, and O form a quadrilateral.
    Hint



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