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Q: How many real solutions does a quadratic equation have if its discriminant is zero?

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If the discriminant of a quadratic equation is less then 0 then it will have no real solutions.

The quadratic has no real solutions.

discriminant

imaginary

solutions

Two distinct real solutions.

A quadratic equation has one discriminant.

A quadratic equation can have a maximum of 2 solutions. If the discriminant (b2-4ac) turns out to be less than 0, the equation will have no real roots. If the Discriminant is equal to 0, it will have equal roots. But, if the discriminant turns out to be more than 0,then the equation will have unequal and real roots.

The discriminant is -439 and so there are no real solutions.

If the discriminant > 0 then 2 distinct real solutions.If the discriminant = 0 then 1 double real solution.If the discriminant < 0 then no real solutions (though there are two complex solutions).

There are no real solutions because the discriminant of the quadratic equation is less than zero.

The discriminant tells you how many solutions there are to an equation The discriminant is b2-4ac For example, two solutions for a equation would mean the discriminant is positive. If it had 1 solution would mean the discriminant is zero If it had no solutions would mean that the discriminant is negative

2

Any quadratic equation has one discriminant.

There are two distinct real solutions.

roots

2

If the discriminant of a quadratic equation is 0 then it has two equal real roots.

240 is not an equation and so the concept of solutions is meaningless.

6

A quadratic equation can have either two real solutions or no real solutions.

If the discriminant of a quadratic equal is zero then it will have two equal roots.

the maximum number of solutions to a quadratic equation is 2. However, usually there is only 1.

It has no real roots.

The quadratic equation will have two solutions.