Question

F (x) = x2 + 4x − 6

(a) f (x) can be written in the form (x + m)2 + n.
Find the value of m and the value of n.

Answer 1

f(x) = x² + 4x - 6

= x² + 4x + 4 - 10

= (x + 2)² - 10

m = 2, n = -10