Respuesta :
					                   Hello,
y=k(x+2)²-20
and -12=k*(0+2)²-20==>k=8/4=2
Equation's parabola is y=2(x+2)²-20
					                
					                
					             y=k(x+2)²-20
and -12=k*(0+2)²-20==>k=8/4=2
Equation's parabola is y=2(x+2)²-20
 
			                  