Complete the conversion than explain how you got the answer.

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Select the quadratic that has root x = 8 and x = -5