Question

[9.01] Identify the vertex for the graph of y = −3x2 + 6x − 4.

(1, 5)

(1, −1)

(−1, −13)

(−1, −9)

Answer 1

keep in mind that the vertex for that type of parabola can be found by using \(\bf \left(-\cfrac{b}{2a}, c-\cfrac{b^2}{4a}\right)\)