Question

What is the axis of symmetry for y=-x^2+2x+1

Answer 1

y = -x² + 2x + 1


`x = (-b)/(2a)`

`x = (-2)/(2(-1))`

`x = (-2)/(-2)`

`x = 1`

y = -x² + 2x + 1
y = -(1)² + 2(1) + 1
y = -1 + 2 + 1
y = 1 + 1
y = 2
(x, y) = (1, 2)