What can you say about the 3's in the number 43,335

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.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1