1.   Find the coordinate of the midpoint of .
   
    A. 0.5 B. -0.5
    C. 1.5 D. -1.5
    Hint

  2.   If and is a right angle, what is the measure of
   
    A. 125 B. 135
    C. 145 D. 130
    Hint

  3.   Determine the contrapositive of the following if-then statement.
If three points are noncollinear, then they form a triangle.
    A. If three points are not noncollinear, then they do not form a triangle.
    B. If three points form a triangle, then they are noncollinear.
    C. If three points do not form a triangle, then they are not noncollinear.
    D. If three points do not form a triangle, then they are noncollinear.
    Hint

  4.   Complete the proof.
   
   
    A. Transitive Property B. Substitution Property (=)
    C. Addition Property (=) D. Angle Addition Property
    Hint

  5.   In the figure shown, is complementary to and is complementary to . Which statement is true if none of the measures of the angles equal 45?
   
    A. B.
    C. is complementary to . D. is complementary to itself.
    Hint

  6.   Find the value of x.
   
    A. 54 B. 126
    C. 110 D. 145
    Hint

  7.   The Parallel Postulate states, ''If there is a line and a point not on the line, then there exists _______________ line through the point that is parallel to the given line.''
    A. no B. infinitely many
    C. exactly one D. more than one
    Hint

  8.   Which figure is not a polygon?
    A. B.
    C. D.
    Hint

  9.   Which is an equation of the line with slope and passing through the point at (1, 2)?
    A. B.
    C. D. y = 2x + 1
    Hint

  10.   Which is an equation of the line with slope and y-intercept .
    A. B.
    C. D.
    Hint

  11.   Which of the following statements is true?
   
    A. intersects plane M in two points.
    B. The intersection of and plane M is .
    C. intersects plane M at point B.
    D. intersects plane M at point C.
    Hint

  12.   Name the property that justifies the statement:

''2(x - 4) = 2x - 8''.

    A. Transitive Property (=) B. Distributive Property
    C. Reflexive Property (=) D. Symmetric Property
    Hint

  13.   Which cannot be used as a reason in a proof?
    A. postulates B. conjectures
    C. Definitions D. Algebra properties
    Hint

  14.   For the proof shown, provide statement 3.
   
   
    A. CD = EF B. AB = CD
    C. AB = EF D. AB = BA
    Hint

  15.   If 1 and 2 form a linear pair and m1 = 2x + 16 and
m2 = 50x + 60, find m2.
    A. 20 B. 160
    C. 180 D. 80
    Hint

  16.   Find the slope of the line.
   
    A. -1 B. 3
    C. 1 D. 0
    Hint

  17.   Determine the slope of the line parallel to the line shown.
   
    A. -1 B. 1
    C. D. 0
    Hint

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

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

  20.   In the figure, points A, B, and C lie in plane Z. Which of the following postulates can be used to show that A and B are collinear?
   
    A. If two planes intersect, then their intersection is a line.
    B. If two lines intersect, then their intersection is exactly one point.
    C. Through any two points, there is exactly one line.
    D. Through any three points not on the same line, there is exactly one plane.
    Hint



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