Answer:
hope it helps you see the attachment for further information.... 
 
        
             
        
        
        
Answer:
x = ±6
Step-by-step explanation:
x^2/4=9
Multiply by 4 on each side
x^2/4 *4=9*4
x^2 = 36
Take the square root of each side
sqrt(x^2) = ±sqrt(36)
x = ±6
 
        
             
        
        
        
Answer:
the new equation is f(x)=x^2-4  
vertex- (0,-4)
zeros- (-2,2)
y-intercept- (-4)
and it has a minimum
Step-by-step explanation: