Use the Discriminant to Decide Whether the Equation Represents a Parabola

question 32

Multiple Choice

Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.
- $$x ^ { 2 } + 4 x y + 6 y ^ { 2 } - 2 x + 4 y = 0$$

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

Understand and calculate electric rates and compare them to ascertain cost-effectiveness.

Calculate the cost of energy usage given a specific rate and energy consumption.

Analyze the financial benefits of replacing energy-inefficient appliances with more efficient models, including understanding tax credits.

Compute the annual cost of running an appliance given its power usage and operational time.

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Definitions:

Frequency Distribution

An organized tabulation of the number of instances that each value or category of a variable occurs in a data set.

GMAT Scores

Numerical scores resulting from taking the Graduate Management Admission Test, used by graduate business schools for admissions purposes.

Mean Score

A statistical metric representing the average value of a set of numbers.

Frequency Distribution

A summary of data showing the number (frequency) of observations in each of several non-overlapping categories or bins.