Pre-image ABCD was dilated to produce image A'B'C'D'. What is the scale factor from the pre-image to the image? Enter your answer in the box as a fraction in simplest form. $\text{Basic}$ $x$$y$$x^2$$\sqrt{ }$$\frac{x}{ }$ $x\frac{ }{ }$ $x^{ }$$x_{ }$$\degree$$\left(\right)$$\abs{ }$$\pi$$\infty$ Two quadrilaterals labeled A B C D and A-prime, B-prime, C-prime, D-prime. Quadrilateral A B C D is larger than the other quadrilateral, which is below quadrilateral A B C D. Side C D is labeled fourteen, and side C-prime, D-prime is labeled eight.