Describe an enlargement with a negative scale factor

Maths

Shape A maps to shape B in an enlargement, calculate the scale factor.

They help with finding the centre of enlargement.

Why have corresponding vertices been joined up in shapes A and B with straight lines in this enlargement?

The point at (-2,-1) is enlarged by a scale factor of -2 from the centre of enlargement at (0,0). What will the new coordinate of the point be?

An enlargement with a negative scale factor will invert (flip upside down) the shape?

An enlargement with a negative scale factor will make the shape smaller?

What scale factor does this enlargement from Shape A to shape B show?