If x=6 is the only x intercept of the graph of a quadratic equation which statement best descibes the discriminant of the equation The discriminant is 0.

The discriminant is 6.

The discriminant is positive.

The discriminant is negative.

Question

Mathematics

Johnathon Kidd

11 November, 05:55

If x=6 is the only x intercept of the graph of a quadratic equation which statement best descibes the discriminant of the equation The discriminant is 0.

The discriminant is 6.

The discriminant is positive.

The discriminant is negative.

+3

Answers (1)

Know the Answer?

Belinda Banks · Answer 1

The correct answer would be:

Answer: the discriminant is 0.

Because we have only one solution:

Then, the discriminant (b²-4ac) have to be equal to 0.

ax²+bx+c=0

x=[-b⁺₋√ (b²-4ac) ]/2a = (-b⁺₋0) / 2a=-b/2a (this is only one solution)

If x=6 is the only x intercept of the graph of a quadratic equation which statement best descibes the discriminant of the equation The discriminant is 0.The discriminant is 6.The discriminant is positive.The discriminant is negative.

If x=6 is the only x intercept of the graph of a quadratic equation which statement best descibes the discriminant of the equation The discriminant is 0.

The discriminant is 6.

The discriminant is positive.

The discriminant is negative.