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

Brainleist!

Step-by-step explanation:

vertex (h,k)

h= -b/4a

k= c -b^2/4a

solve and you get (2,17)

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )