Question

equation of the parabola wth axs parallel to y and passng thru (-1,-3) (1,-2),(2,1)

Answer 1

general form for this parabola is

y = ax^2 + bx + c

plugging in the 3 points:
-3 = a - b + c
-2 = a + b + c
1 = 4a + 2b + c
you need to solve this system of equations