Question

What is the vertex of the following quadratic function?
f(x)=3x^2+9x-4

Answer 1

vertex is got by giving x=-b/2a

Answer 2

first, find the axis of symmetry. plug in that value of x into your equation. then simply and write as a point. (x,y).

Answer 3

woaah, im getting weirdd numberrs :/

(1.5,-10.75)

Answer 4

x=-9/6 ?

Answer 5

yeah, or -3/2 or -1.5 when simplified.