What is the mirror image of point(3,9) on x-axis is

a)(-3,9)

b)(9,3)

c)(3,9)

d)(3,-9)

The mirror image of the point (x, y) in the x-axis is the point (x, -y).

Thus, the mirror image of (3, 9) in x-axis is (3, -9).

What is the mirror image of point(3,9) on x-axis is

a)(-3,9)

b)(9,3)

c)(3,9)

d)(3,-9)

Thus, the mirror image of (3, 9) in x-axis is (3, -9).