If the discriminant of an equation is zero, which of the following is true of the equation? a. it has one real solution b. it has two complex solutions c. it has two real solutions d. it has one complex solution

The answer would be A. one real solution

If the discriminant of an equation is zero, then the correct statement amongst given statement is:

      a.    It has one real solution

Step-by-step explanation:

We have three cases of discriminant--

If the discriminant of the equation is strictly greater than zero then the equation has two real solutions.If the discriminant is equal to zero then it has one real solution.and if the discriminant is strictly less than zero then the equation has 0 real solutions i.e. both the solutions of the equation are complex.

 

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