Question

Write the quadratic function in standard form. y = (x + 1)^2– 8

Answer 1

y = x² + 2x - 7

Explanation:

The standard form of a quadratic is y = ax² + bx + c : a ≠ 0

Given

y = (x + 1)² - 8 ← expand factor using FOIL

= x² + 2x + 1 - 8

= x² + 2x - 7 ← in standard form