1.   OBCD is a square. What are the coordinates of D?
   
    A. (0, a) B. (a, 2a)
    C. (a, a) D. (0, 0)
    Hint

  2.   Find the slope of for isosceles trapezoid ABCD.
   
    A. B.
    C. D.
    Hint

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

  4.   Find the x-coordinate of R if PQRS is a rectangle.
   
    A. 2b B. 2a
    C. a D. b
    Hint

  5.   What is the most specific description of quadrilateral ABCD?
   
    A. rectangle B. rhombus
    C. parallelogram D. square
    Hint



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