Add or Subtract $\sqrt { 6 a } - 7 \sqrt { 150 a } - 5 \sqrt { 216 a }$

question 239

Multiple Choice

Add or subtract. Assume all variables represent nonnegative real numbers.
- $\sqrt { 6 a } - 7 \sqrt { 150 a } - 5 \sqrt { 216 a }$

• A) \(- 64 \sqrt { 372 a }\)
• B) \(- 12 \sqrt { 372 a }\)
• C) \(- 64 \sqrt { 6 a }\)
• D) \(- 12 \sqrt { 6 a }\)

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Definitions:

Negative Reinforcement

A behavioral principle where the removal of an unfavorable event or outcome strengthens the behavior that led to its removal.

Punishment

The weakening (decrease in frequency) of a response because it is followed by the arrival of a (presumably) unpleasant stimulus.

Noxious Stimulus

An unpleasant or harmful stimulus that causes discomfort or pain.

Aversive Stimulus

An unpleasant or harmful stimulus used to reduce or eliminate an undesirable behavior.