Find the Magnitude and Direction Angle (To the Nearest Tenth) $\langle - 12,5 \rangle$

question 114

Multiple Choice

Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
- $\langle - 12,5 \rangle$

• A) \(13 ; 112.6 ^ { \circ }\)
• B) \(13 ; 22.6 ^ { \circ }\)
• C) \(13 ; 157.4 ^ { \circ }\)
• D) \(15 ; 157.4 ^ { \circ }\)

---

Definitions:

Primary Reinforcement

An activity whose reinforcing properties are innate.

Positive Reinforcement

An event whose occurrence increases the frequency of the behavior that precedes it.

Conditioning Contrast

A phenomenon in classical and operant conditioning where the strength of a conditioned response changes when the reinforcement or punishment is changed in amount or type.

Primary Reinforcement

A stimulus that satisfies a basic biological need, such as food or water, which naturally and inherently reinforces a behavior.