Question

The vertex form of the equation of a parabola is y = (x-4)2 + 22.

Answer 1

Answer:

D

Explanation:

The standard form of a quadratic function is

y = ax² + bx + c ( a ≠ 0 )

Given

y = (x - 4)² + 22 ← expand (x - 4)² using FOIL

  = x² - 8x + 16 + 22

  = x² - 8x + 38 → D