Find the coordinates of (a) the vertex and (b) the x-intercepts of the given quadratic function to the nearest hundredth.P(x) = - x2 + 1.78x + 1.39

A. (a) (0.28, 1.39)
(b) (0.89, 0), (0.70, 0)
B. (a) (0.28, 1.64)
(b) (-0.44, 0), (1.00, 0)
C. (a) (0.25, 1.84)
(b) (1.39, 0), (-1.39, 0)
D. (a) (1.64, 1.39)
(b) There are no x-intercepts.


Answer: B

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