Question

3. Which of the following is in standard form of quadratic?

f(x) = -6(x+5)(x − 8)
f(x) = -6x² - 4x + 7
f(x) = 5x - 1
f(x)=-6(x-3)² + 1

Answer 1

f(x) = -6x² - 4x + 7

Explanation:

f(x) = ax²+ bx + c