Perform Operations with Square Roots of Negative Numbers
Perform the Indicated

question 183

Multiple Choice

Perform Operations with Square Roots of Negative Numbers
Perform the indicated operations and write the result in standard form.
- $\sqrt { - 7 } - \sqrt { - 144 }$

• A) \(\mathrm { i } ( \sqrt { 7 } - 12 )\)
• B) \(\sqrt { 7 } \mathrm { i } - 12\)
• C) \(\sqrt { 7 \mathrm { i } } - 12 \mathrm { i }\)
• D) \(\mathrm { i } ( \sqrt { 7 } + 12 )\)

---

Definitions:

Efficient Level

The optimal point at which a particular activity achieves the best output or outcome with the least waste of resources or effort.

Marginal Social Cost

The total cost to society of producing an additional unit of a good, including both private costs and any externalities.

External Cost

Costs of a transaction that affect people other than the buyer or seller, often not included in the price of goods or services.

Efficient Amount

The level of production or quantity of a good that optimizes the use of resources to achieve the highest possible satisfaction or benefits.