Help what is the sign of -5 (-1/-2)
1 answer:
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First you have to do 
.
Since the car is moving at a constant rate, the answer would be 8h.
Since the car is moving at a constant rate, the answer would be 8h.
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