Idk use Socratic but if not cry cuz math sucks
        
             
        
        
        
Answer: a = 1.25, b = 2.5, c = 1.25
Step-by-step explanation:
Use vertex form and substitute a point into it (1, 5)
5 = a(1 + 1)^2 + 0
5 = a(2)^2 + 0
5 = 4a
a = 5/4
y = 5/4 (x + 1)^2
y = 5/4 (x^2 + 2x + 1)
1.25 x^2 + 2.5x + 5/4
Is there a "c" value otherwise it's not possible
 
        
             
        
        
        
Answer:
its 12 juss round 12
Step-by-step explanation:
 
        
             
        
        
        
Answer:
72
Step-by-step explanation:
substitiute the value of p =8(9)
8x9=72