AP Precalculusmediummcq1 pt
The vertex of the parabola f(x) = x² − 6x + 5 is at
A.(3, −4)
B.(−3, −4)
C.(3, 4)
D.(6, 5)
Explanation
Core Concept
x = −b/(2a) = 3; f(3) = 9 − 18 + 5 = −4.
Correct Answer
A(3, −4)
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