1.   Which segment has a measure of 7?
   
    A. B.
    C. D.
    Hint

  2.   Find the coordinates of K, the midpoint of , if the endpoints of are M(-4,6) and N (2,5).
    A. (-2, 6) B.
    C. D.
    Hint

  3.   If R is the midpoint of , SR=3x+8,and RT =5x-6, find the measure of .
    A. 32 B. 29
    C. 14 D. 13
    Hint

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

  5.   In the figure, ABCD is a square. Which of the following is a valid conjecture about points A, B, C, and D?
   
    A. AB = BD B. AB + CD = 12
    C. AB = CD D. None of the statements are valid conjectures.
    Hint

  6.   Write the inverse of the conditional ''If Deanna eats the last cookie, then Leon will buy more.''
    A. If Deanna eats the last cookie, then Leon will not buy more.
    B. If Deanna does not eat the last cookie, then Leon will buy more.
    C. If Leon does not buy more, then Deanna did not eat the last cookie.
    D. If Deanna does not eat the last cookie, then Leon will not buy more.
    Hint

  7.   Find the value of x so that .
   
    A. 37 B. 19
    C. 11 D. 35
    Hint

  8.   In a triangle, a segment that joins a vertex of the triangle and the midpoint of the opposite side is called the __________.
    A. perpendicular bisector B. altitude
    C. median D. hypotenuse
    Hint

  9.   In which figure is a median and an angle bisector of
and is an altitude?
    A. B.
    C. D.
    Hint

  10.   Solve the proportion .
    A. 63 B. 3
    C. 1 D. 7
    Hint

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

  12.   To show that a conjecture is false, you need to provide one _____.
    A. guess B. counterexample
    C. theorem D. possibility
    Hint

  13.   C is ______________.
   
    A. a right angle B. an angle of depression
    C. none of the other choices D. an angle of elevation
    Hint

  14.   Find NT.
   
    A. 7 B. 22
    C. 44 D. 11
    Hint

  15.  
   
    A. 70 B. 125
    C. 55 D. 110
    Hint

  16.   Which statement is true about dilations?
    A. Dilations form similar images.
    B. Dilations form congruent images.
    C. Dilations are the combination of two reflections.
    D. Dilations are isometries.
    Hint

  17.   If and lie in plane P. Which of the following postulates can be used to show that lies in plane P?
    A. If two points lie in a plane, then the entire line containing those points lies in that plane.
    B. A plane contains at least three points not on the same line.
    C. Through any two points, there is exactly one line.
    D. If two planes intersect, then their intersection is a line.
    Hint

  18.   Which of the following is not often used in a coordinate proof?
    A. Quadratic Formula B. Angle Sum Theorem
    C. Midpoint Formula D. Distance Formula
    Hint

  19.   Points A, B, C, and D are the midpoints of , , , and respectively. What is the most specific description of quadrilateral ABCD?
   
    A. trapezoid B. rectangle
    C. square D. parallelogram
    Hint

  20.   To rotate a figure 90° counterclockwise about the origin, use the matrix _____ .
    A. B.
    C. D.
    Hint



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