1.   is isosceles. What is the x-coordinate of B?
   
    A. B. b
    C. a D. 0
    Hint

  2.   Find the length of the hypotenuse of this right triangle.
   
    A. B.
    C. D.
    Hint

  3.   What are the coordinates of N?
   
    A. (0, b) B. (0, -3a)
    C. (3a, 0) D. (b, 0)
    Hint

  4.   Which of the following is not a guideline for placing figures on the coordinate plane?
    A. Use coordinates that make computation as simple as possible. B. Use the point (1, 1) as a vertex or center.
    C. Place at least one side of a polygon on an axis. D. Keep the figure in the first quadrant.
    Hint

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



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