1.   Triangle ABC has vertices A(7, 2), B(3, -1), and C(1, 4). Find the image of the triangle after a reflection over the x-axis.
    A. A'(7, -2), B'(3, 1), C'(1, -4) B. A'(-7, -2), B'(-3, 1),
C'(-1, -4)
    C. A'(2, 7), B'(-1, 3), C'(4, 1) D. A'(7, -2), B'(-1, 3),
C'(-1, -4)
    Hint

  2.   Suppose a figure is animated to spin around a certain point. If the image has key points as A(2, 1), B(3, 5) and C(6, 2), and the rotation is about the origin, find the location of these points at a 270° counterclockwise rotation.
    A. A'(1, -2), B'(-5, 3), C'(-2, 6) B. A'(1, -2), B'(5, -3), C'(2, -6)
    C. A'(-2, -1), B'(-3, -5),
C'(-6, -2)
D. A'(-1, 2), B'(-5, 3), C'(-2, 6)
    Hint

  3.   A triangle ABC has vertices A(3, -1), B(4, -2), and C(7, 1). Find the coordinates of the dilated triangle for a scale factor of 3.
    A. A,/i>'(12, -6), B'(21, 3),
C'(-9, -3)
B. A'(9, -3), B'(12, -6),
C'(21, 3)
    C. A'(-3, 9), B'(-6, 12),
C'(3, 21)
D. A'(21, 3), B'(12, -6),
C'(-9, -3)
    Hint

  4.   Find the image of after Rot90 Ry-axis if the vertices are
A(2, -3), B(6, -3), and C(2, 5).
    A. A'(3, 2), B'(3, 6), C'(5, -2) B. A'(3, -2), B'(3, -6),
C'(-5, -2)
    C. A'(-3, -2), B'(-3, -6),
C'(-5, -2)
D. A'(-3, 2), B'(-3, 6),
C'(5, 2)
    Hint

  5.   The quadrilateral with vertices A(-1,5), B(2,7), C(4,5) and D(3,3) is reflected over the line y = x . Find the image of the quadrilateral after the reflection.
    A. B.
    C. D.
    Hint