Respuesta :
For ax^2 +bx +c, the axis of symmetry is given by
.. x = -b/(2a)
You have
.. a = 5
.. b = 40
so the axis of symmetry is
.. x = -40/(2*5)
.. x = -4
.. x = -b/(2a)
You have
.. a = 5
.. b = 40
so the axis of symmetry is
.. x = -40/(2*5)
.. x = -4
