1 Answer

Timo Bruck · Answer 1 · 2022-03-03T09:02:48+0000

Answer:

a =15, b=2

Axis of Symmetry =
(-b)/(2a)

=(-2)/(2 * 15)

=
-(1)/(15)

To find the y-value for the vertex sub in the axis of symmetry for x

$y=15(-(1)/(15) )^(2)+2(-(1)/(15) )-8\\\\=-(121)/(15)$

∴ Vertex
(-(1)/(15), -(121)/(15) )

Explanation:

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