If X - 6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation?

A-The discriminant is 0.

B-The discriminant is 6.

C-The discriminant is positive.

D-The discriminant is negative.

Question

Genesis Faulkner

Mathematics

20 March, 08:08

If X - 6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation?

A-The discriminant is 0.

B-The discriminant is 6.

C-The discriminant is positive.

D-The discriminant is negative.

+4

Answers (1)

Know the Answer?

Kash Spence · Answer 1

The rule, letting d=discriminant:

d>0, two real solutions

d=0, one real solution

d<0, no real solution (but there are two imaginary solutions)

So if it has only one real solution, the discriminant is equal to zero.

If X - 6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation?A-The discriminant is 0.B-The discriminant is 6.C-The discriminant is positive.D-The discriminant is negative.

If X - 6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation?

A-The discriminant is 0.

B-The discriminant is 6.

C-The discriminant is positive.

D-The discriminant is negative.