I think the answer is 1/2. C.
Answer:
option C
Step-by-step explanation:

Answer: 11
Explanation: You did everything right in terms of the steps you took. It looks like you accidentally wrote "1" instead of "-4" as the answer to "2(-2)".
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Answer:
x = -3
Step-by-step explanation:
The vertex lies on the axis of symmetry, whose x-coordinate is halfway between -9 and 3: x = -3
Answer:
0.5
0.50
0.500
Step-by-step explanation: