The graph of the function $y=f\left(x\right)$ is symmetric about the line $x=2$, then

What do you think a negative scale factor indicates? Explain.

Find the scale factor of dilation (with centre at the origin) if point $F\left(0,-70\right)$ becomes $F\text{'}\left(0,21\right)$? And, Write using correct notation.

Using a dilation of scale factor $4$, with centre at the origin, find the coordinates of the image $A’$ of the point $A(3,-7)$?

Describe the transformation that has been performed in the diagram and express it using correct arrow notation.  

Find the scale factor of dilation (with centre at the origin) if point $E\left(48,-20\right)$ becomes $E\text{'}\left(12,-5\right)$? And, write its notation.

Using a dilation of scale factor $\frac{1}{3}$, with centre at the origin, find the coordinates of the image $B’$ of the point $B(-12,27)$?

What is the scale factor of dilation (with center at the origin) if the image of point $T(6,-18)$ is $T’(2,-6)$? (write answer in fraction)

Find the scale factor of dilation (with centre at the origin) if point $D(9,13)$ becomes $D’(27,39)$? And, write its correct notation.