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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]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]3 years ago
5 0

Answer:

Step-by-step explanation:

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