Posted by **GGIFT** on Tuesday, April 6, 2010 at 5:57pm.

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function.

f(x) = -2x^2 + 2x + 9

x coordinate is

y coordinate is

the equation of the line of symmetry is x =

Maximum/minimum of f(x) is

the value, f (1half) = 19 over 2 (fraction) is ?

min or max ???

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