Asked by Anonymous

6) Select the x-coordinate of the vertex of the parabola defined by the function
f(x) = -7x^2 + 3x + 1.

a) - 7/3
b) 1
c) 3/14
d) - 3/7
Answered by Anonymous
B 1
Answered by Reiny
the x-coordinate of the vertex is -b/(2a)
= -3/-14
= 3/14 , which is C
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