What is the value of the discriminant of f for the equation f(x)= -7x^2+8x+2 and haw many x-intercepts dose the graph have

it has the same slope and a different y-intercept

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4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

2, 2, 2 or -4, 20, 29

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