Question

Need help with test!!!
The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (-2, 5). What is the solution set of the related equation 0 = ax^2 + bx + c?

∅
{-2}
{5}

Answer 1

@Michele_Laino

Answer 2

hint:
here is the graph of your parabola:

Answer 3

how do you find the a b an c?

Answer 4

it is not necessary to find that coefficients

Answer 5

how many intersections are there between your parabola and x-axis?

Answer 6

5

Answer 7

if you look at my drawing, you can see that the parabola never crosses the x-axis

Answer 8

oh yeah