Question

Which equation represents the axis of symmetry of the function y = –2x² + 4x –6

Answer 1

for a quadratic ax^2+bx+c=0, vertex is at x=-b/2a, and also, x=-b/2a is the line that is axis of symmetry. calculate and enjoy!

Answer 2

i don't get it

Answer 3

i'm not good

Answer 4

Match up:
y = –2x² + 4x – 6
y = ax² + bx + c
Hint a = -2, b = ..
Can you continue now?