If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e

Question

wariber [46]

3 years ago

10

If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e

quation? The discriminant is negative. The discriminant is –3. The discriminant is 0. The discriminant is positive.

Mathematics

2 answers:

kompoz [17] · Answer 1 · 2022-03-24T09:49:00+03:00

kompoz [17]3 years ago

5 0

$\text{ if } \Delta=0\text{ then there is one x-intercept : }x=-\dfrac{b}{2a}\\\\
\text{ if } \Delta\ \textless \ 0\text{ then there are no x-intercept : } x=\varnothing\\\\
\text{ if } \Delta>0\text{ then there are two x-intercept : }x_1,x_2=\dfrac{-b\pm\sqrt{\Delta}}{2a}\\\\$

<u>Answer </u>: <span>The discriminant is 0</span>

Marianna [84] · Answer 2 · 2022-03-24T12:07:05+03:00

Marianna [84]3 years ago

5 0

Answer:

Step-by-step explanation: