Decide What Values of the Variable Cannot Possibly Be Solutions $$3 x ^ { - 2 } + 18 x ^ { - 1 } + 15 = 0$$

question 413

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $$3 x ^ { - 2 } + 18 x ^ { - 1 } + 15 = 0$$

• A) \(\{ - 1 , - 5 \}\)
• B) \(\{ 1,5 \}\)
• C) \(\left\{ - 1 , - \frac { 1 } { 5 } \right\}\)
• D) \(\left\{ 1 , \frac { 1 } { 5 } \right\}\)

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Definitions:

Current Ratio

A liquidity ratio that measures a company's ability to pay off its short-term liabilities with its short-term assets.

Acid-Test Ratio

A financial metric comparing a company's most liquid assets (excluding inventory) to its current liabilities, used to assess short-term solvency.

Marketable Securities

These are liquid financial instruments that can easily be converted into cash at their current value in the financial markets.

Selling And Administrative Expenses

Expenses related to the selling of products and the management of the business, not directly tied to manufacturing.