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Katen [24]
2 years ago
9

NEED HELPP ASAPP SOMEONE HELP

Mathematics
1 answer:
damaskus [11]2 years ago
8 0

Answer:

\textsf{C)}\quad g(x)=\dfrac{1}{2}(x-8)^2-8

Vertex = (8, -8)

Step-by-step explanation:

<u>Standard form</u>:  y=ax^2+bx+c

<u>Vertex form</u>:  y=a(x-h)^2+k

where (h, k) is the vertex

<u>Intercept form</u>:  y=a(x-p)(x-q)

where p and q are the x-intercepts

Therefore, the form that most quickly reveals the vertex is

g(x)=\dfrac{1}{2}(x-8)^2-8

The vertex is (8, -8)

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so...since the directrix is "p" units from the vertex, so it'd be 2 units from 0,0

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that puts the directrix 2 units below 0,0

y = -2
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