3.If AD =5y+7 and BC=7y-3 what must the value of y be to prove AED CEB by the SSS postulate?
4.Describe the transformation m: (x,y) (-x,-y)
a.A translation one unit down and one unit to the right.
b.A reflection across the x-axis.
c.A rotation 180o with center of rotation (0, 0).
d.A dilation with a scale factor -1 and center (0, 0).
5. The polygon Q(3,2), R(6,5), S(6,2) undergoes the transformation
(x,y) ---> (4x, 4y). Name of the coordinates of the image points?
a.Q'(3, 2), R'(6, 5), S'(6, 2)
b.Q'(7, 6), R'(10, 9), S'(10, 6)
c.Q'(12, 8), R'(24, 20), S'(24, 8)
d.Q'(-1, -2), R'(2, 1), S'(2, -2)