Question

Re-write the quadratic function below in Standard Form
y = -(x + 8)(x + 7)

Answer 1

y = - x² - 15x - 56

Explanation:

y = - (x + 8)(x + 7) ← expand factors using FOIL

= - (x² + 15x + 56) ← distribute parenthesis by - 1

y = - x² - 15x - 56 ← in standard form