Question

Identify the vertex for the graph of y = −2x2 + 8x − 1.

(−2, 7)

(2, 7)

(2, −9)

(−2, −9)

Answer 1

i believe its (2,7)

Answer 2

If a quadratic is in the form
\(\Large y = ax^2 +bx+c\)
then the axis of symmetry well be at
\(\Large x=-b/2a\)