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Mathematics
Mariam
9 October, 18:57
What is the axis symmetry of f (x) = x2 - 9x + 8
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Luciano Travis
9 October, 20:05
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Answer: x=4.5
Step-by-step explanation:
The question is in standard form as y = ax^2 + bx + c.
And as such, the axis of symmetry is given as x = - b / 2a
From the question above, a = 1 and b = - 9
Therefore axis of symmetry is;
x = - (-9) / 2 (1) which gives;
x = 9/2 or x=4.5
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