Quadrilateral mnop is shown in the graph. if we want to reflect the quadrilateral over the x-axis and dilate it by a factor of 2, which matrix operation shows how to find the coordinates of m'n'o'p'?
a)

-1 0
0 1

1 3 5 2
2 4 3 1

b)

-
1
2
0
0
1
2

1 3 5 2
2 4 3 1

c)

1 0
0 -1

1 3 5 2
2 4 3 1

d)

2 0
0 -2

1 3 5 2
2 4 3 1