Question

In which direction does the parabola that is given by the equation below open?

y=2.5(x-8)^2+3

Answer 1

@AlexandervonHumboldt2

Answer 2

@freckles

Answer 3

\[y=x^2 \text{ looks like }\]
\[y=-x^2 \text{ lookes like }\]
so if the number in front of the x^2 thing is negative it is open down
if the number in front of the x^2 thing is positive it is open up