Question

Find the axis of symmetry of the graph of the function.

f(x) = 2x2 - 4x - 1

x = 0

x = 4

x = -3

x = 1

Answer 1

2(x^2 - 2x) - 1
2(x^2 - 2x + 1) - 2 -1
2(x-1)^2 - 3

x = 1 is the required ans

Answer 2

Thank you!

Answer 3

Welcome!