Conic Sections in Polar Coordinates
1 Define Conics in Terms $$r = \frac { 9 } { 3 - 3 \cos \theta }$$

question 219

Multiple Choice

Conic Sections in Polar Coordinates
1 Define Conics in Terms of a Focus and a Directrix
- $$r = \frac { 9 } { 3 - 3 \cos \theta }$$

• A) parabola; The directrix is 3 unit(s) to the left of the pole at \(x = - 3\).
• B) parabola; The directrix is 3 unit(s) to the right of the pole at \(x = 3\).
• C) parabola; The directrix is 3 unit(s) above the pole at \(y = 3\).
• D) parabola; The directrix is 3 units below the pole at \(\mathrm { y } = - 3\).

Differentiate between academic and workplace research questions.

Evaluate the difficulty in assessing the reliability of different sources.

Recognize the importance of currency and other characteristics of reliable information.

Critically assess information from websites, forums, and blogs.

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Definitions:

Placebo

A substance with no therapeutic effect, often used as a control in testing new drugs.

Fake Treatment

A placebo or sham treatment given to participants in research, which has no therapeutic effect.

Demand Characteristic

Cues in an experimental environment that communicate to participants how they are expected to behave.

Control Group

A control group in scientific experiments is the group of subjects that does not receive the treatment or experimental condition and is used as a benchmark to measure the effects of the treatment.