Question

Find the vertex of the parabola for the equation:

3x2 - 6x - 5

(1, -4)

(1, -8)

(-1, -4)

(-1, -8)

Answer 1

use -b/(2a) as the x coordinate of the vertex.
to get the y-value, plug this value into the expression 3x^2 - 6x - 5