Question

Find the vertex f(x)= 3x2-54x+241

Answer 1

(9 , -2)

Explanation:

vertex of quadratic function: y = a(x – h)² + k, vertex (h, k)

f(x)= 3x²-54x+241

= 3 (x²- 18x + 9²) - 2

= 3 (x - 9)² - 2

h = 9, k = -2