2 years ago

Which point gives the vertex of f(x) = x2 - 4x + 21?

Mathematics

1 answer:

Goryan [66]2 years ago

4 0

Answer:

Brainleist!

Step-by-step explanation:

vertex (h,k)

h= -b/4a

k= c -b^2/4a

solve and you get (2,17)

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