Please help! im so confused

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Does anyone know how to do geometryme with this problem

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y