lursino123 lursino123

12-10-2018
Mathematics

contestada

f(x)=-x^2 +4x+5

Find the vertex

Respuesta :

trishinada63 trishinada63

12-10-2018

Vertex formula: -b/2a

b=4

a=-1

-4/2(-1)

= -4/-2

= 2

Plug 2 for x in the equation, and you will get y = 9

Vertex: (2,9)

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