Use the Discriminant to Decide Whether the Equation Represents a Parabola

question 120

Multiple Choice

Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.
- $$5 x ^ { 2 } + 7 x y + 5 y ^ { 2 } + 2 x - 7 y = 0$$

• A) Ellipse
• B) Parabola
• C) Hyperbola

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Definitions:

Maximin Strategy

A decision rule used in game theory and decision theory aiming to maximize the minimum payoff.

Dominant Strategies

A strategy in game theory that yields the best outcome for a player, no matter what the other players do.

Pollute

To contaminate the natural environment with harmful or poisonous substances, adversely affecting air, water, soil, and ecosystems.

Constant-Sum Game

A situation in game theory where the total gains and losses among participants are distributed equally, so that the sum of benefits and losses is constant.