To find: The scale factor if Megan wants to reduce an 8 by-10 inch photo to 2 by − 2.5 inches photo.
Answer to Problem 3CYP
Required scale factor in said dilation is
Explanation of Solution
Given information: Megan wants to reduce an 8 by-10 inch photo to 2 by − 2.5 inches photo
by applying dilation transformation on original photo.
Concept used:
Scale is actually a comparison between two quantities that results the one unit of one quantity equals to how much unit of second quantity. Also, scale factor is the ratio between two corresponding given quantities. So, here ratio of each dimension of both photos will be equal and this ratio will be the actual scale factor.
Calculation:
So, the scale factor, used in given dilation
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