Answer:
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Answer:

Step-by-step explanation:
Given


Required
Determine side x
The hypotenuse (H) is calculated using:


Substitute 9 for x:



So:


|-16| means 16. Remember, Absolute Value is ALWAYS positive. Good luck!!
The answer is the first one: 1 1/5 because 120/100 = 1.2
x- coordinate of vertex = - 3
the vertex lies on the axis of symmetry , which is positioned at the midpoint of the zeros
find the zeros by setting y = 0
(x - 6)(x + 12) = 0 ( equate each factor to zero and solve for x )
x - 6 = 0 ⇒ x = 6
x + 12 = 0 ⇒ x = - 12
x coordinate of vertex =
=
= - 3