Respuesta :
(-1,-3) is the vertex ==>y=k(x+1)²-3
(0,1) is a point of the parabola==>1=k(0+1)²-3==>k=4
Equation is y=4(x+1)²-3
(0,1) is a point of the parabola==>1=k(0+1)²-3==>k=4
Equation is y=4(x+1)²-3
