SOLUTION: Find the probability that the vertex of the graph y=x^2-8x+c is above the x-axis if the c is a randomly selected integer from 1 to 20.
I've tried so many things and I just can'
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-> SOLUTION: Find the probability that the vertex of the graph y=x^2-8x+c is above the x-axis if the c is a randomly selected integer from 1 to 20.
I've tried so many things and I just can'
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Question 860815: Find the probability that the vertex of the graph y=x^2-8x+c is above the x-axis if the c is a randomly selected integer from 1 to 20.
I've tried so many things and I just can't figure out how to even set up the problem. I'm just so confused and could really use some help. Answer by ewatrrr(24785) (Show Source):