Question

The roots of the function f(x) = x2 – 2x – 3 are shown. What is the missing number?

x = –1 and x =

Answer 1

3

Explanation:

Edge 2021

Answer 2

Answer: 3

Explanation:

x^2-2x-3=0

(x-3)(x+1)=0

x=3 or x=-1