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Suppose you have AB on a coordinate plane located at A(-3, -4) and B(5, -4). Under a dilation centered at (9, 0), AB becomes A'B' with coordinates A'(6, -1) and B'(8, -1). What is the scale factor for this dilation?

My guess is that you would find the distance between points for both AB and A'B'

so it would look something like this

distance formula =

do the same for A'B'

so the scale factor of the dilation would be 1/4

Step-by-step explanation:

step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl