Find the Eccentricity and Distance from the Pole to the Directrix

question 76

Multiple Choice

Find the eccentricity and distance from the pole to the directrix of the conic. Then sketch and identify the graph. Use a graphing utility to confirm your results. ​ ​

• A) eccentricity: Distance from pole to directrix: The graph is an ellipse. ​
• B) eccentricity: Distance from pole to directrix: The graph is a hyperbola. ​
• C) eccentricity: Distance from pole to directrix: The graph is a hyperbola. ​
• D) eccentricity: Distance from pole to directrix: The graph is an ellipse. ​
• E) eccentricity: Distance from pole to directrix: The graph is an ellipse. ​

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Definitions:

TCritical One-Tail

A value on the t-distribution that is used in a one-tailed t-test to determine the statistical significance of a result.

P(T>=t) One-Tail

The probability that the test statistic T is greater than or equal to some value t, assuming the null hypothesis, used in one-tailed tests.

Treatment Group

A group of subjects or elements that receive the variable being tested in an experiment.

Mean Response Time

The average time taken to respond to a set of requests, often used as a performance metric in various fields.