NEED HELP ASAP, WILL GIVE BRAINLIEST
2 answers:
9514 1404 393
Answer:
B) -31
A) ellipse
Step-by-step explanation:
In the form ...
Ax² +Bxy +Cy² +Dx +Ey +F = 0
The discriminant is ...
B² -4AC
The interpretation is ...
- < 0 ⇒ ellipse, possibly a circle
- = 0 ⇒ parabola
- > 0 ⇒ hyperbola
Any of the figures may be degenerate.
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Here, the discriminant is ...
5² -4(-2)(-7) = -31
The equation represents an ellipse.
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