Can the scale factor of dilation be negative? What would this mean?

Draw the following shape on squared paper.

Then draw the following dilated shape on the same diagram:

$B$: Dilation of scale factor $2$ from $P(1,2)$

Draw the following shape on squared paper.

Then draw the following dilated shape on the same diagram:

$C$: Dilation of scale factor $3$ from $P(1,2)$

Draw the following shape on squared paper.

Then draw the following dilated shape on the same diagram:

$D$: Dilation of scale factor $4$ from $P(1,2)$

Draw the following shape on square paper.

Then, draw the following dilated shape on the same diagram:

$B:$ Dilation of scale factor $\frac{1}{2}$ from $P\left(13, 0\right)$.

Draw the following shape on square paper.

Then, draw the following dilated shape on the same diagram:

$C:$ Dilation of scale factor $\frac{1}{4}$ from $P\left(13, 0\right)$.

Draw the following shape on square paper.

Then, draw the following dilated shape on the same diagram:

$D:$ Dilation of scale factor $\frac{1}{3}$ from $P\left(13, 0\right)$.

Draw the following shape on square paper.

Then, draw the following dilated shape on the same diagram:

$E:$ Dilation of scale factor $\frac{2}{3}$ from $P\left(13, 0\right)$.

Draw the following shape on the squared paper. 

Then draw the following dilated shapes on the same diagram

$C:$ Dilation of scale factor $-1$ from $P\left(-2,2\right)$.