Each of Two Vectors, and , Lies Along

question 26

Multiple Choice

Each of two vectors, and , lies along a coordinate axis in the xy plane. Each vector has its tail at the origin, and the dot product of the two vectors is . Which possibility is correct?

• A) and both lie along the positive x axis.
• B) lies along the positive x axis. lies along the negative x axis.
• C) and both lie along the positive y axis.
• D) lies along the negative x axis. lies along the negative y axis.
• E) lies along the positive y axis. lies along the negative x axis.

---

Definitions:

Generalized Anxiety

A psychological condition characterized by persistent and excessive worry about various aspects of life, not limited to specific situations.

Persistent Fear

A continuous and enduring sense of fear that remains in the individual's psyche over an extended period, often leading to anxiety disorders.

Mania

A mental state characterized by extremely elevated mood, energy, and unusual thought patterns, often associated with bipolar disorder.

Obsession

Persistent, intrusive, and unwanted thoughts that cause anxiety or distress.