Question

Help meh pleaaasseee

What is the line of symmetry for the graph of y = -3x∧2 + 12x - 11?

x = 2
x = -4
x = -2

Answer 1

x=2

Explanation:

y = -3x^2 + 12x - 11

The line of symmetry is at

x = -b/2a

where ax^2 +bx+c

a=-3 and b = 12

x = -12/ (2*-3)

x = -12 / -6

x=2