The discriminant is 88.
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The discriminant is 88 which means that the given quadratic equation has two different solutions for x
It is: 16-20 = -4 which means that the given quadratic expression has no real roots.
If you mean: 4x squared+7x+4 then the discriminant is -15
None because the discriminant of this quadratic equation is less than zero.
B squared -4ac is the discriminant. you get 0, which means it will have one rational solution.