2 years ago

Please I need help!!!!

Mathematics

2 answers:

Sladkaya [172]2 years ago

8 0

1st

Vertex

we have

f(x)=x²-18x+88

let

y=x²-18x+88

comparing above equation with ax²+bx+c

we get

a=1

b=-18

c=88

now

vertex(x,y)=(-b/2a,f(-b/2a))

x=(18/2×1)=9

y=f(9)=9²-18×9+88=7

VERTEX(X,Y)=(9,7)

irinina [24]2 years ago

4 0

Answer:

(9-7)

Step-by-step explanation:

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