Answer:
Opens upward
Step-by-step explanation:
Since the coefficient of 
is a positive number +8, then it is a parabola that opens upward
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Answer:
they ran 5 and 2 and half hour
Step-by-step explanation:
they ran 5 and 2 and half hour
Answer:
z would be at (-6,6)
Step-by-step explanation:
hope that helps
Y = x^2 -3
y = (x-3)(x+3)
For x-intercepts, y = 0
Therefore (x-3)(x+3) = 0
x intercepts are (3,0) and (-3,0)
The line of symmetry is x = 3+(-3) = 0
Vertex is on the line of symmetry
When x = 0, y = -1
Vertex = (0,-1)
