Select the graph of the equation as a circle, a parabola, an ellipse, or a hyperbola. $$21 x ^ { 2 } - 13 x - 230 y - 115 = 0$$
A) Hyperbola
B) Parabola
C) Ellipse
D) Circle
E) None of the above

Question

Quizplus · Accepted Answer

The given equation is of the form $ax^2 + bx + c + dy + e = 0$, which is a quadratic equation in one variable (x) and linear in another (y). This form is characteristic of a parabola, not a circle, ellipse, or hyperbola.

Select the Graph of the Equation as a Circle, a Parabola