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February 28, 2015

February 28, 2015

Posted by **Anonymous** on Sunday, March 31, 2013 at 10:01am.

f(x) = -7x^2 + 3x + 1.

a) - 7/3

b) 1

c) 3/14

d) - 3/7

- math help -
**Anonymous**, Sunday, March 31, 2013 at 10:05amB 1

- math help -
**Reiny**, Sunday, March 31, 2013 at 10:30amthe x-coordinate of the vertex is -b/(2a)

= -3/-14

= 3/14 , which is C

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