When comparing decimals, start in the tenths place. The decimal with the biggest value there is greater. If they are the same, move to the hundredths place and compare these values. If the values are still the same keep moving to the right until you find one that is greater or until you find that they are equal.
Answer:
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I don’t know all of it but....
Axis of symmetry is x=5
Vertex changed to (5,8)
Parabola opens down