The image is bigger than the pre-image.
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It remains fixed in position and all the other vertices move towards or away from it depending on whether the scale factor is less than 1 or greater than one.
The object will shrink, stay the same or grow.
A diliation is a reduction if the scale factor is: less than 1.
The terms (factors) used in multiplication are the multiplicand (the factor being multiplied), the multiplier (the factor that the multiplicand is multiplied by) and the product (the answer, or results of the multiplication). Any time either of the factors is greater than the other by at least one, the product will always be greater than the largest factor.
A scale factor whose absolute value is greater than one is an enlargement whereas if the absolute value is less than 1 it is a reduction.