Negative Scale Factor Enlargement GCSE Maths
Negative scale factor enlargement is a more advanced transformation topic. The image appears on the opposite side of the centre of enlargement.
What Makes It Different?
With a positive scale factor, the image stays in the same direction from the centre. With a negative scale factor, the image is drawn through the centre and appears on the other side.
Exam tip: Draw construction lines through the centre of enlargement to help place the image accurately.
Common mistake: Students sometimes treat a negative scale factor like a normal positive enlargement.
Video explanation
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