Which of the following describes the transformation shown? a. dilation with a scale factor of 2
b. rotation of 90º CCW
c. reflection over the x-axis
d. translation up 2 units

C) reflection over the x-axis

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.