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maks197457 [2]
3 years ago
12

VIRILI LER

Mathematics
1 answer:
KatRina [158]3 years ago
4 0

Answer:

Step-by-step explanation:

hello :

a= 1      b= -4  

the vertex is : ( -b/2a  ; f(-b/2a)

-b/2a = - (-4)/2 = 2

f(2) = (2)²-4(2)-5 = 4-13= -9

the vertex is : (2  ; -9)

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