Look at the picture.
ΔABD and ΔBCD are similar, therefore:
Use Pythagorean theorem:
ΔABD and ΔBCD are similar, therefore:
Use Pythagorean theorem:
(Solve for x) -8 = -7 + x
2 answers:
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These points show that this is not going to be a linear line. This is actually a parabola.
I find that the function rule is going to be
<em>Hope this helps!!!</em>