The Letters R and θ Represent Polar Coordinates $$\mathrm { r } = 2 ( \sin \theta - \cos \theta )$$

question 117

Multiple Choice

The letters r and θ represent polar coordinates. Write the equation using rectangular coordinates (x, y) .
- $$\mathrm { r } = 2 ( \sin \theta - \cos \theta )$$

• A) \(x ^ { 2 } + y ^ { 2 } = 2 y - 2 x\)
• B) \(x ^ { 2 } + y ^ { 2 } = 2 x - 2 y\)
• C) \(2 x ^ { 2 } + 2 y ^ { 2 } = y - x\)
• D) \(2 x ^ { 2 } + 2 y ^ { 2 } = x - y\)

---

Definitions:

Acute Pain

A type of pain that is short-term and usually severe, serving as a signal of disease, injury, or a threat to the body.

Surgical Resection

The removal of part or all of an organ, tissue, or tumor through an operation, often to treat cancer or other conditions.

Inadequate Analgesia

A situation where pain relief provided to a patient is insufficient, leading to continued discomfort or pain.

Nursing Diagnosis

A clinical judgment about individual, family, or community experiences and responses to actual or potential health problems/life processes.