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xxTIMURxx [149]
2 years ago
6

Please help me :). I'll give brainiest

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
4 0

Answer:

axis of symmetry: x=3, vertex: (3,23)

Step-by-step explanation:

-\frac{b}{2a}=-\frac{12}{-4}=3

axis of symmetry(x-value of the vertex): x=3

input this value into the function to get the vertex

-2(3)^{2}+12(3)+5

-18+36+5

18+5

23 is the y-value of the vertex

(3,23)

plz mark me brainliest. :)

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