Question
If K(-1, 0), C(1, 2), U(0, -2) are the points of original image and the points of dilated images are K’(-2, 0), C’(2, 4) ,U’(0, -4) then the scale factor is
- 2
- 3
Hint:
A scale factor in math is the ratio between corresponding measurements of an object and a representation of that object.
The correct answer is: 2
If the scale factor is more than 1, then the image stretches.
If the scale factor is between 0 and 1, then the image shrinks.
If the scale factor is 1, then the original image and the image produced are congruent
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