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44 votes
44 votes
2. The axis of symmetry of the parabola y = x² + 9 is:

a) x=9
b) x = -9
c) x = 0
d) x= - 1/2

User Sergiy Prydatchenko
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1 Answer

26 votes
26 votes
Axis of symmetry is c) x=0
User Vijay Ivaturi
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