Use the information shown in the graph Katelyn Kennard to find an expression for the quadratic PD - 3 function. Write your final answer in the form for) = ax' the te. a vertex form , y = a( x- h) 4 k b (0. 3 ) T 2 - 4 0 8 yea ( -2 (-3,0) (1.0) -6 -4 -2 2 3 -2 -4 -6 -10 (0.-12) 8 -12 -10 -14 -16 (2.-16) -12