1.   A(n) _____ is a transformation that occurs when a figure is moved from one location to another.
    A. dilation B. translation
    C. addition D. enlargement
    Hint

  2.   What translation matrix should be used to translate a figure with five vertices up 3 units and right 2 units?
    A.
    B.
    C.
    D.
    Hint

  3.   What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis?
    A. H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5)
    B. H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5)
    C. H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5)
    D. H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5)
    Hint

  4.   Which of the following is the correct rotation matrix for a rotation of 180°counterclockwise about the origin?
    A. B.
    C. D.
    Hint

  5.   Find the coordinates of the vertices of the image of a rectangle ABCD with A(4, -3), B(-3, 1), C(-7, -3), and D(5, 2) after a reflection across the line y = x.
    A. A'(3, 4),B'(-1, -3),C'(3, -7),D'(-2, 5)
    B. A'(-4, -3),B'(3, 1),C'(7, -3),D'(-5, 2)
    C. A'(-3, -4),B'(1, 3),C'(-3, 7),D'(2, -5)
    D. A'(-3, 4),B'(1, -3),C'(-3, -7),D'(2, 5)
    Hint



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