If a figure is dilated by a scale factor of 3, what were the coordinates of the pre-image of w'(-6, 9)? w(-18, 27) w(-3, 12) w(-2, 3) w(-9, 6)

We are given scale factor k=3. This means that each coordinate of a point is multiplied by 3 to get final point.

W' = 3*W

We can use this to find original point.

-6 = 3x
x = -2

9 = 3y
y = 3

So we have 
W(-2,3)

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