Find the vertex:

Determine if the parabola will open up or down:

Since the value of a is positive, the parabola will open upwards
Find the x and y intercepts:
Factor
to find the x intercepts
(x+8)(x+2)
x + 8 = 0
x = -8
x + 2 = 0
x = -2
x intercepts:
x = -2
x = -8
Find the y intercept

Hence, C. Graph A best represents the quadratic function 
Answer:
b
Step-by-step explanation:
b
It will be D!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
The answer is D!
Step-by-step explanation:
hope this helps
Answer:
173.83
Step-by-step explanation:
17.4*9.99= 173.826
173.826 -> 173.83